单词：space charge density
单词：space charge density 相关文章
[00:03.89]deed deem deep deepen [00:08.76]n.（已完成的）行为， vt.认为，相信 a.深的，深刻的 v.变深,变浓 [00:13.64]deeply deer defeat defect [00:18.26]ad.深深地 n.鹿 v./n.挫败,战胜n.失败 n.缺陷，缺点 [00:22.88]de
考研英语词汇2005
A supermassive black hole is quite simply gravity gone mad. An object of such concentrated matter its gravitational pull is insatiable. Nothing can escape it, not even light itself. Anything that gets
超大质量黑洞
From the depths of space, an asteroid hurtles toward Earth. [Well, our general vicinity.] But this is no ordinary hunk of galactic debris. Because the body of this asteroid seems to defy gravity. Its bound by forces never observed on this scale in sp
2014年Scientific American(八)月
US Space Agency Expands Search for Distant Planets Able to Support Life The search for worlds orbiting distant stars will intensify in the coming weeks when the American space agency NASA launches a spacecraft. Scientists hope the spacecraft will enl
2018年VOA慢速英语(四)月
As the old song has it, breaking up is hard to do. 正如一首老歌唱的一样，分手太难。 Not only is there the emotional angst, but in many cases one partner has to pack up and move out. 这困难之处不仅在于情感上的忧虑，在许
阅读空间
By David McAlary Washington 11 April 2006 A European spacecraft has arrived at Venus to study Earth's hot, hazy sister planet. It is only the latest of many space probes trying to understand why our c
2006年VOA标准英语（四月）
To twist someone's arm To charge someone an arm and a leg 今天我们要讲的两个习惯用语是由 arm，也就是手臂和leg，也就是腿这两个字组成的。我们要介绍的第一个词汇
美国习惯用语
Despite Paralysis, Hawking's Mind Soars When he turned 70 in 2012, Hawking was honored with a special exhibit at Londons Science Museum. The tribute gave visitors an inside look at the life and work of one of the world's greatest minds. We have some
VOA标准英语2013年(一月)
Lesson 106 Charge 1.The exhibition is open to the public without charge. 2.The charge for parking is one dollar. 3.The computer will be repaired free of charge if it goes wrong. 4.What is the charge for a day at the hotel? 5.The medical service is fr
辛沛沛NO-BOOK 辛沛沛口语初级版
By Peter Fedynsky Moscow 03 October 2007 October 4th marks 50 years since the former Soviet Union hurled humanity's first object into Earth orbit. It was a small round device known as Sputnik -- Russian for satellite -- with four antennas and a trans
2007年VOA常速英语（十月）
London is implementing a new traffic charge on polluting gas and diesel cars in the capital. The so-called T-charge is aimed at dealing with the poor quality air which has been blamed for premature deaths, asthma, strokes and other diseases. CRI's Li
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I should say that everything is just right so far. In the long term, gravity may turn out to be a little too strong, and one day it may halt the expansion of the universe and bring it collapsing in upon itself, till it crushes itself down into anothe
万物简史
By Alex Villarreal Washington 25 October 2007 The U.S. space shuttle Discovery has docked at the International Space Station, marking the next phase in a complex mission to expand the international orbiter. VOA's Alex Villarreal reports from Washingt
2007年VOA常速英语（十月）
Science and technology 科学技术 Astrochemistry 天体化学 The great test tube in the sky 空中的大试管 Space is one big chemistry set 宇宙是一个很大的化学装置 MOST people think of the empty space between the stars as being, wel
经济学人科技系列
今天我们要学的词是charge. Charge做为动词，有起诉的意思。默多克新闻集团窃听丑闻的最新进展是，Eight of Rupert Murdoch's editors and reporters have been charge with hacking the voice mailboxes of more than 600 peop
英语单词荟萃
The U.S. space agency's ambitious plan to put astronauts back on the moon has been cancelled in the Obama administration's proposed 2011 federal budget. The $3.6 trillion spending plan for the U.S. government was submitted to Congress on Feb. 1. NASA
VOA标准英语2010年(二月)
The first rockets were Chinese. In the 1230s the armies of the Song dynasty, 首批火箭出现在中国。十三世纪三十年代，宋朝军队 who were fighting Mongol invaders, started launching fire arrows propelled by gunpowder some 300 metres
经济学人科技系列
今天我们要学的词是 free of charge。Free of charge 免费。The course is offered to students free of charge. 学生可以免费上这门课。Google's VoIP phone service will remain free of charge within the U.S. and Canada in 2013. 2013年用
英语单词荟萃
【俚语】 Charge Pal 充电宝 Power bank 充电宝 Portable power station 充电宝 【例句】 My phone is out of power. Have you got a charge pal? 我手机没电了？你有充电宝吗？ Pal n. 朋友 【例句】 Peter is my best pal. Pete
英语俚语天天说
After failing in Beijing's license plate lottery system for some three years, Qin Xiaofei finally made his decision in January to buy a battery-driven car to chauffeur his wife who has recently become pregnant. But, he says, one of the biggest concer
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