Advertisement
astro van vacuum line diagram: Feedback Systems Karl Johan Åström, Richard M. Murray, 2021-02-02 The essential introduction to the principles and applications of feedback systems—now fully revised and expanded This textbook covers the mathematics needed to model, analyze, and design feedback systems. Now more user-friendly than ever, this revised and expanded edition of Feedback Systems is a one-volume resource for students and researchers in mathematics and engineering. It has applications across a range of disciplines that utilize feedback in physical, biological, information, and economic systems. Karl Åström and Richard Murray use techniques from physics, computer science, and operations research to introduce control-oriented modeling. They begin with state space tools for analysis and design, including stability of solutions, Lyapunov functions, reachability, state feedback observability, and estimators. The matrix exponential plays a central role in the analysis of linear control systems, allowing a concise development of many of the key concepts for this class of models. Åström and Murray then develop and explain tools in the frequency domain, including transfer functions, Nyquist analysis, PID control, frequency domain design, and robustness. Features a new chapter on design principles and tools, illustrating the types of problems that can be solved using feedback Includes a new chapter on fundamental limits and new material on the Routh-Hurwitz criterion and root locus plots Provides exercises at the end of every chapter Comes with an electronic solutions manual An ideal textbook for undergraduate and graduate students Indispensable for researchers seeking a self-contained resource on control theory |
astro van vacuum line diagram: Lunar Sourcebook Grant Heiken, David Vaniman, Bevan M. French, 1991-04-26 The only work to date to collect data gathered during the American and Soviet missions in an accessible and complete reference of current scientific and technical information about the Moon. |
astro van vacuum line diagram: Radiative Processes in Astrophysics George B. Rybicki, Alan P. Lightman, 2008-09-26 Radiative Processes in Astrophysics: This clear, straightforward, and fundamental introduction is designed to present-from a physicist's point of view-radiation processes and their applications to astrophysical phenomena and space science. It covers such topics as radiative transfer theory, relativistic covariance and kinematics, bremsstrahlung radiation, synchrotron radiation, Compton scattering, some plasma effects, and radiative transitions in atoms. Discussion begins with first principles, physically motivating and deriving all results rather than merely presenting finished formulae. However, a reasonably good physics background (introductory quantum mechanics, intermediate electromagnetic theory, special relativity, and some statistical mechanics) is required. Much of this prerequisite material is provided by brief reviews, making the book a self-contained reference for workers in the field as well as the ideal text for senior or first-year graduate students of astronomy, astrophysics, and related physics courses. Radiative Processes in Astrophysics also contains about 75 problems, with solutions, illustrating applications of the material and methods for calculating results. This important and integral section emphasizes physical intuition by presenting important results that are used throughout the main text; it is here that most of the practical astrophysical applications become apparent. |
astro van vacuum line diagram: The Foundations of Vacuum Coating Technology Donald M. Mattox, 2018-08-21 The Foundations of Vacuum Coating Technology, Second Edition, is a revised and expanded version of the first edition, which was published in 2003. The book reviews the histories of the various vacuum coating technologies and expands on the history of the enabling technologies of vacuum technology, plasma technology, power supplies, and low-pressure plasma-enhanced chemical vapor deposition. The melding of these technologies has resulted in new processes and products that have greatly expanded the application of vacuum coatings for use in our everyday lives. The book is unique in that it makes extensive reference to the patent literature (mostly US) and how it relates to the history of vacuum coating. The book includes a Historical Timeline of Vacuum Coating Technology and a Historical Timeline of Vacuum/Plasma Technology, as well as a Glossary of Terms used in the vacuum coating and surface engineering industries. - History and detailed descriptions of Vacuum Deposition Technologies - Review of Enabling Technologies and their importance to current applications - Extensively referenced text - Patents are referenced as part of the history - Historical Timelines for Vacuum Coating Technology and Vacuum/Plasma Technology - Glossary of Terms for vacuum coating |
astro van vacuum line diagram: Galaxy Formation and Evolution Houjun Mo, Frank van den Bosch, Simon White, 2010-05-20 A coherent introduction for researchers in astronomy, particle physics, and cosmology on the formation and evolution of galaxies. |
astro van vacuum line diagram: Essentials of Paleomagnetism Lisa Tauxe, 2010-03-19 This book by Lisa Tauxe and others is a marvelous tool for education and research in Paleomagnetism. Many students in the U.S. and around the world will welcome this publication, which was previously only available via the Internet. Professor Tauxe has performed a service for teaching and research that is utterly unique.—Neil D. Opdyke, University of Florida |
astro van vacuum line diagram: Signs and Symbols Adrian Frutiger, 1998 Discusses the elements of a sign, and looks at pictograms, alphabets, calligraphy, monograms, text type, numerical signs, symbols, and trademarks. |
astro van vacuum line diagram: Nuclear Science Abstracts , 1975 |
astro van vacuum line diagram: 40 Years of Pulsars C.G. Bassa, 2008-03-11 McGill University, Montreal, Canada, 12-17 August 2007 |
astro van vacuum line diagram: Engineering , 1896 |
astro van vacuum line diagram: Physics for Scientists and Engineers Raymond Serway, John Jewett, 2013-01-01 As a market leader, PHYSICS FOR SCIENTISTS AND ENGINEERS is one of the most powerful brands in the physics market. While preserving concise language, state-of-the-art educational pedagogy, and top-notch worked examples, the Ninth Edition highlights the Analysis Model approach to problem-solving, including brand-new Analysis Model Tutorials, written by text co-author John Jewett, and available in Enhanced WebAssign. The Analysis Model approach lays out a standard set of situations that appear in most physics problems, and serves as a bridge to help students identify the correct fundamental principle--and then the equation--to utilize in solving that problem. The unified art program and the carefully thought out problem sets also enhance the thoughtful instruction for which Raymond A. Serway and John W. Jewett, Jr. earned their reputations. The Ninth Edition of PHYSICS FOR SCIENTISTS AND ENGINEERS continues to be accompanied by Enhanced WebAssign in the most integrated text-technology offering available today. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version. |
astro van vacuum line diagram: Bulletin of the Atomic Scientists , 1961-05 The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic Doomsday Clock stimulates solutions for a safer world. |
astro van vacuum line diagram: Space Shuttle Missions Summary (NASA/TM-2011-216142) Robert D. Legler, Floyd V. Bennett, 2011-09-01 Full color publication. This document has been produced and updated over a 21-year period. It is intended to be a handy reference document, basically one page per flight, and care has been exercised to make it as error-free as possible. This document is basically as flown data and has been compiled from many sources including flight logs, flight rules, flight anomaly logs, mod flight descent summary, post flight analysis of mps propellants, FDRD, FRD, SODB, and the MER shuttle flight data and inflight anomaly list. Orbit distance traveled is taken from the PAO mission statistics. |
astro van vacuum line diagram: High Energy Astrophysics Malcolm S. Longair, 2011-02-03 Providing students with an in-depth account of the astrophysics of high energy phenomena in the Universe, the third edition of this well-established textbook is ideal for advanced undergraduate and beginning graduate courses in high energy astrophysics. Building on the concepts and techniques taught in standard undergraduate courses, this textbook provides the astronomical and astrophysical background for students to explore more advanced topics. Special emphasis is given to the underlying physical principles of high energy astrophysics, helping students understand the essential physics. The third edition has been completely rewritten, consolidating the previous editions into one volume. It covers the most recent discoveries in areas such as gamma-ray bursts, ultra-high energy cosmic rays and ultra-high energy gamma rays. The topics have been rearranged and streamlined to make them more applicable to a wide range of different astrophysical problems. |
astro van vacuum line diagram: Ocean Passages for the World , 2009-07-01 |
astro van vacuum line diagram: Fuel from Farms Solar Energy Information Data Bank (U.S.), Solar Energy Research Institute, 1980 Decision to produce; Markets and uses; Market assessment; Prodution potential; Equipment selection; Financial requirements; Decision and planning workssheets; Basic ethanol production; Preparation of feedstocks, Fermentation; Distillation; Types of feedstocks; Coproduct yields; Agronomic considerations; Plant design; Overall plant considerations; Process control; Representative ethanol plant; Maintenance checklist; Business plan; Analysis of financial requirements; Organizational form; Financing; Case study; Summary of legislation; Bureau of alcohol, tabacco, and firearms permit information; Enviromental considerations. |
astro van vacuum line diagram: Handbook of X-Ray Data Günter H. Zschornack, 2007-01-24 This is the only handbook available on X-ray data. In a concise and informative manner, the most important data connected with the emission of characteristic X-ray lines are tabulated for all elements up to Z = 95 (Americium). The tabulated data are characterized and, in most cases, evaluated. Furthermore, all important processes and phenomena connected with the production, emission and detection of characteristic X-rays are discussed. |
astro van vacuum line diagram: Introduction to Plasma Physics R.J Goldston, 2020-07-14 Introduction to Plasma Physics is the standard text for an introductory lecture course on plasma physics. The text's six sections lead readers systematically and comprehensively through the fundamentals of modern plasma physics. Sections on single-particle motion, plasmas as fluids, and collisional processes in plasmas lay the groundwork for a thorough understanding of the subject. The authors take care to place the material in its historical context for a rich understanding of the ideas presented. They also emphasize the importance of medical imaging in radiotherapy, providing a logical link to more advanced works in the area. The text includes problems, tables, and illustrations as well as a thorough index and a complete list of references. |
astro van vacuum line diagram: Physics Briefs , 1991 |
astro van vacuum line diagram: The Book of the Damned Charles Fort, 2020-09-28 Time travel, UFOs, mysterious planets, stigmata, rock-throwing poltergeists, huge footprints, bizarre rains of fish and frogs-nearly a century after Charles Fort's Book of the Damned was originally published, the strange phenomenon presented in this book remains largely unexplained by modern science. Through painstaking research and a witty, sarcastic style, Fort captures the imagination while exposing the flaws of popular scientific explanations. Virtually all of his material was compiled and documented from reports published in reputable journals, newspapers and periodicals because he was an avid collector. Charles Fort was somewhat of a recluse who spent most of his spare time researching these strange events and collected these reports from publications sent to him from around the globe. This was the first of a series of books he created on unusual and unexplained events and to this day it remains the most popular. If you agree that truth is often stranger than fiction, then this book is for you--Taken from Good Reads website. |
astro van vacuum line diagram: Taming Liquid Hydrogen Virginia Parker Dawson, 2004 |
astro van vacuum line diagram: Introduction to Plasma Physics and Controlled Fusion Francis F. Chen, 2013-03-09 TO THE SECOND EDITION In the nine years since this book was first written, rapid progress has been made scientifically in nuclear fusion, space physics, and nonlinear plasma theory. At the same time, the energy shortage on the one hand and the exploration of Jupiter and Saturn on the other have increased the national awareness of the important applications of plasma physics to energy production and to the understanding of our space environment. In magnetic confinement fusion, this period has seen the attainment 13 of a Lawson number nTE of 2 x 10 cm -3 sec in the Alcator tokamaks at MIT; neutral-beam heating of the PL T tokamak at Princeton to KTi = 6. 5 keV; increase of average ß to 3%-5% in tokamaks at Oak Ridge and General Atomic; and the stabilization of mirror-confined plasmas at Livermore, together with injection of ion current to near field-reversal conditions in the 2XIIß device. Invention of the tandem mirror has given magnetic confinement a new and exciting dimension. New ideas have emerged, such as the compact torus, surface-field devices, and the EßT mirror-torus hybrid, and some old ideas, such as the stellarator and the reversed-field pinch, have been revived. Radiofrequency heat ing has become a new star with its promise of dc current drive. Perhaps most importantly, great progress has been made in the understanding of the MHD behavior of toroidal plasmas: tearing modes, magnetic Vll Vlll islands, and disruptions. |
astro van vacuum line diagram: International Reference Guide to Space Launch Systems Steven J. Isakowitz, Joseph P. Hopkins, Joshua B. Hopkins, 2004 This bestselling reference guide contains the most reliable and comprehensive material on launch programs in Brazil, China, Europe, India, Israel, and the United States. Packed with illustrations and figures, this edition has been updated and expanded, and offers a quick and easy data retrieval source for policy makers, planners, engineers, launch buyers, and students. |
astro van vacuum line diagram: Physics Concepts and Connections Henri M. Van Bemmel, John Myers, 2002 |
astro van vacuum line diagram: Earth's Climate Response to a Changing Sun Katja Matthes, Thierry Dudok de Wit, Jean Lilensten, 2021 For centuries, scientists have been fascinated by the role of the Sun in the Earth's climate system. Recent discoveries, outlined in this book, have gradually unveiled a complex picture, in which our variable Sun affects the climate variability via a number of subtle pathways, the implications of which are only now becoming clear. This handbook provides the scientifically curious, from undergraduate students to policy makers with a complete and accessible panorama of our present understanding of the Sun-climate connection. 61 experts from different communities have contributed to it, which reflects the highly multidisciplinary nature of this topic. The handbook is organised as a mosaic of short chapters, each of which addresses a specific aspect, and can be read independently. The reader will learn about the assumptions, the data, the models, and the unknowns behind each mechanism by which solar variability may impact climate variability. None of these mechanisms can adequately explain global warming observed since the 1950s. However, several of them do impact climate variability, in particular on a regional level. This handbook aims at addressing these issues in a factual way, and thereby challenge the reader to sharpen his/her critical thinking in a debate that is frequently distorted by unfounded claims. |
astro van vacuum line diagram: How I Became a Quant Richard R. Lindsey, Barry Schachter, 2011-01-11 Praise for How I Became a Quant Led by two top-notch quants, Richard R. Lindsey and Barry Schachter, How I Became a Quant details the quirky world of quantitative analysis through stories told by some of today's most successful quants. For anyone who might have thought otherwise, there are engaging personalities behind all that number crunching! --Ira Kawaller, Kawaller & Co. and the Kawaller Fund A fun and fascinating read. This book tells the story of how academics, physicists, mathematicians, and other scientists became professional investors managing billions. --David A. Krell, President and CEO, International Securities Exchange How I Became a Quant should be must reading for all students with a quantitative aptitude. It provides fascinating examples of the dynamic career opportunities potentially open to anyone with the skills and passion for quantitative analysis. --Roy D. Henriksson, Chief Investment Officer, Advanced Portfolio Management Quants--those who design and implement mathematical models for the pricing of derivatives, assessment of risk, or prediction of market movements--are the backbone of today's investment industry. As the greater volatility of current financial markets has driven investors to seek shelter from increasing uncertainty, the quant revolution has given people the opportunity to avoid unwanted financial risk by literally trading it away, or more specifically, paying someone else to take on the unwanted risk. How I Became a Quant reveals the faces behind the quant revolution, offering you?the?chance to learn firsthand what it's like to be a?quant today. In this fascinating collection of Wall Street war stories, more than two dozen quants detail their roots, roles, and contributions, explaining what they do and how they do it, as well as outlining the sometimes unexpected paths they have followed from the halls of academia to the front lines of an investment revolution. |
astro van vacuum line diagram: Report of the Presidential Commission on the Space Shuttle Challenger Accident DIANE Publishing Company, Southgate Publishers, 1995-07 |
astro van vacuum line diagram: Toward a Theory of Spacepower: Selected Essays , 2011 |
astro van vacuum line diagram: Statistical Mechanics James Sethna, 2006-04-07 In each generation, scientists must redefine their fields: abstracting, simplifying and distilling the previous standard topics to make room for new advances and methods. Sethna's book takes this step for statistical mechanics - a field rooted in physics and chemistry whose ideas and methods are now central to information theory, complexity, and modern biology. Aimed at advanced undergraduates and early graduate students in all of these fields, Sethna limits his main presentation to the topics that future mathematicians and biologists, as well as physicists and chemists, will find fascinating and central to their work. The amazing breadth of the field is reflected in the author's large supply of carefully crafted exercises, each an introduction to a whole field of study: everything from chaos through information theory to life at the end of the universe. |
astro van vacuum line diagram: AN INTRODUCTION TO ASTROPHYSICS, Second Edition BASU, BAIDYANATH, CHATTOPADHYAY, TANUKA, BISWAS, SUDHINDRA NATH, 2010-01-01 This invaluable book, now in its second edition, covers a wide range of topics appropriate for both undergraduate and postgraduate courses in astrophysics. The book conveys a deep and coherent understanding of the stellar phenomena, and basic astrophysics of stars, galaxies, clusters of galaxies and other heavenly bodies of interest. Since the first appearance of the book in 1997, significant progress has been made in different branches of Astronomy and Astrophysics. The second edition takes into account the developments of the subject which have taken place in the last decade. It discusses the latest introduction of L and T dwarfs in the Hertzsprung-Russel diagram (or H-R diagram). Other developments discussed pertain to standard solar model, solar neutrino puzzle, cosmic microwave background radiation, Drake equation, dwarf galaxies, ultra compact dwarf galaxies, compact groups and cluster of galaxies. Problems at the end of each chapter motivate the students to go deeper into the topics. Suggested readings at the end of each chapter have been complemented. |
astro van vacuum line diagram: Introduction to Galaxy Formation and Evolution Andrea Cimatti, Filippo Fraternali, Carlo Nipoti, 2019-10-17 A comprehensive examination of nearly fourteen billion years of galaxy formation and evolution, from primordial gas to present-day galaxies. |
astro van vacuum line diagram: Aircraft Performance & Design John David Anderson, 1999 Balancing technical material with important historical aspects of the invention and design of aeroplanes, this book develops aircraft performance techniques from first principles and applies them to real aeroplanes. |
astro van vacuum line diagram: Popular Science , 2004-12 Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better. |
astro van vacuum line diagram: Physics of the Interstellar and Intergalactic Medium Bruce T. Draine, 2010-12-20 This is a comprehensive and richly illustrated textbook on the astrophysics of the interstellar and intergalactic medium--the gas and dust, as well as the electromagnetic radiation, cosmic rays, and magnetic and gravitational fields, present between the stars in a galaxy and also between galaxies themselves. Topics include radiative processes across the electromagnetic spectrum; radiative transfer; ionization; heating and cooling; astrochemistry; interstellar dust; fluid dynamics, including ionization fronts and shock waves; cosmic rays; distribution and evolution of the interstellar medium; and star formation. While it is assumed that the reader has a background in undergraduate-level physics, including some prior exposure to atomic and molecular physics, statistical mechanics, and electromagnetism, the first six chapters of the book include a review of the basic physics that is used in later chapters. This graduate-level textbook includes references for further reading, and serves as an invaluable resource for working astrophysicists. Essential textbook on the physics of the interstellar and intergalactic medium Based on a course taught by the author for more than twenty years at Princeton University Covers radiative processes, fluid dynamics, cosmic rays, astrochemistry, interstellar dust, and more Discusses the physical state and distribution of the ionized, atomic, and molecular phases of the interstellar medium Reviews diagnostics using emission and absorption lines Features color illustrations and detailed reference materials in appendices Instructor's manual with problems and solutions (available only to teachers) |
astro van vacuum line diagram: The 2030 Spike Colin Mason, 2013-06-17 The clock is relentlessly ticking! Our world teeters on a knife-edge between a peaceful and prosperous future for all, and a dark winter of death and destruction that threatens to smother the light of civilization. Within 30 years, in the 2030 decade, six powerful 'drivers' will converge with unprecedented force in a statistical spike that could tear humanity apart and plunge the world into a new Dark Age. Depleted fuel supplies, massive population growth, poverty, global climate change, famine, growing water shortages and international lawlessness are on a crash course with potentially catastrophic consequences. In the face of both doomsaying and denial over the state of our world, Colin Mason cuts through the rhetoric and reams of conflicting data to muster the evidence to illustrate a broad picture of the world as it is, and our possible futures. Ultimately his message is clear; we must act decisively, collectively and immediately to alter the trajectory of humanity away from catastrophe. Offering over 100 priorities for immediate action, The 2030 Spike serves as a guidebook for humanity through the treacherous minefields and wastelands ahead to a bright, peaceful and prosperous future in which all humans have the opportunity to thrive and build a better civilization. This book is powerful and essential reading for all people concerned with the future of humanity and planet earth. |
astro van vacuum line diagram: Stellar Atmospheres Cecilia Helena Payne Gaposchkin, 1925 Original thesis submitted to Radcliffe College. The typescript is a summary of the thesis with handwritten ink insertions. The galley proof contains the full text and bears blue and graphite pencil markings. A library thesis use form is affixed to the bottom of the first page of the galley. |
astro van vacuum line diagram: Countdown to a Moon Launch Jonathan H. Ward, 2015-07-07 Thousands of workers labored at Kennedy Space Center around the clock, seven days a week, for half a year to prepare a mission for the liftoff of Apollo 11. This is the story of what went on during those hectic six months. Countdown to a Moon Launch provides an in-depth look at the carefully choreographed workflow for an Apollo mission at KSC. Using the Apollo 11 mission as an example, readers will learn what went on day by day to transform partially completed stages and crates of parts into a ready-to-fly Saturn V. Firsthand accounts of launch pad accidents, near misses, suspected sabotage, and last-minute changes to hardware are told by more than 70 NASA employees and its contractors. A companion to Rocket Ranch, it includes many diagrams and photographs, some never before published, to illustrate all aspects of the process. NASA’s groundbreaking use of computers for testing and advanced management techniques are also covered in detail. This book will demystify the question of how NASA could build and launch Apollo missions using 1960s technology. You’ll discover that there was no magic involved – just an abundance of discipline, willpower, and creativity. |
astro van vacuum line diagram: Stars as Laboratories for Fundamental Physics Georg G. Raffelt, 1996-05 Much of what we know about neutrinos is revealed by astronomical observations, and the same applies to the axion, a conjectured new particle that is a favored candidate for the main component of the dark matter of the universe. |
astro van vacuum line diagram: Astronomy and Astrophysics Monthly Index , 1989 |
astro van vacuum line diagram: The Guerrilla and how to Fight Him , 1962 |
如何评价最近新出现的前端框架 Astro? - 知乎
在正式介绍 Astro 之前,先给大家聊一聊相关的背景。Astro 的作者是 Fred K. Schott,没错,就是那个开发 Snowpack 的老哥,可以说是 Unbundle 构建工具的祖师爷,但无奈的是 Vite 发展 …
不吹不黑,《ASTRO BOT 宇宙机器人》在一众TGA年度最佳游戏 …
Dec 13, 2024 · 知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。知乎 …
如何评价 PS5 内置游戏《宇宙机器人 无线控制器使用指南 …
PS5入手后第一个通关并白金的游戏。小机器人果然没有让人失望,把Astro Bot系列再次推上一个高峰。下文的图片是玩的时候随手截的,以及奖杯的获奖图。 一句话概括:一般的游戏是在 …
有哪些好用的安卓文件管理软件? - 知乎
知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。知乎凭借认真、专业 …
sci投稿Declaration of interest怎么写? - 知乎
正在写SCI的小伙伴看到这篇回答有福了!作为一个在硕士阶段发表了4篇SCI(一区×2,二区×2)的人,本回答就好好给你唠唠究竟该如何撰写Declaration of interest利益声明部分。
有哪些好听又有意义的网名? - 知乎
知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。知乎凭借认真、专业 …
ASK A MECHANIC - JLA FORUMS
May 22, 2006 · Thank You for 20 years! We want to thank everyone for their support over the past 20 years! JLA FORUMS went online Wednesday - November 17th, 2004 at 12:31p
刚入坑 PS5 有什么值得推荐的游戏? - 知乎
这个游戏戏如其名。操控一个Astro,霍霍一个放着无数Playstation游戏机及其配件的大Room。 这个游戏没有感情戏,没有战斗,没有正经的剧情。严格来说是个PS5手柄使用指南,实际上也 …
如何评价最近新出现的前端框架 Astro? - 知乎
在正式介绍 Astro 之前,先给大家聊一聊相关的背景。Astro 的作者是 Fred K. Schott,没错,就是那个开发 Snowpack 的老哥, …
不吹不黑,《ASTRO BOT 宇宙机器人》在一众TGA年度最佳游戏中 …
Dec 13, 2024 · 知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享 …
如何评价 PS5 内置游戏《宇宙机器人 无线控制器使用指南》(Astro'…
PS5入手后第一个通关并白金的游戏。小机器人果然没有让人失望,把Astro Bot系列再次推上一个高峰。下文的图片是玩的时候随手 …
有哪些好用的安卓文件管理软件? - 知乎
知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和 …
sci投稿Declaration of interest怎么写? - 知乎
正在写SCI的小伙伴看到这篇回答有福了!作为一个在硕士阶段发表了4篇SCI(一区×2,二区×2)的人,本回答就好好给你唠唠究竟该 …