单词：reflector backup structure
单词：reflector backup structure 相关文章
In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40
Scientific American(四)月
Having a Backup Plan Jerome: This is a very dangerous undertaking. Do you have a backup plan if anything goes wrong? Sandy: Itll work. Ive come up with contingencies for every possible setback. Jerome: Its just that Id like to know we have some recou
2014年ESL之日常生活
文本： JONES: That's another successful operation under my belt.Okay Anya,tell me where Josef is and I'll bring him out.Is there any news on the _(1)_? ANYA: Surely you don't need anyone else's help.Your backup has just touched down in the capitol
小龟乐游记英语短文
今天我们要学的词组是backup。作为形容词，backup的意思是后备，替代。媒体报道说，布什总统实施新的伊拉克计划之后，一些州长在白宫询问布什和参谋长联席会议主席Peter Pace有没有后备计划
英语每日一词
据《科学》杂志报道，苏联的月球车40年前在月球表面留下了激光反射器，虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日，一组物理学家终于发现了来自反射器的微弱闪
60秒科学
Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar
电信英语
Always have a reliable backup. You never know when disaster will strike. But mark my words: Every hard drive fails eventually, and if you dont have a good backup of your personal data (pictures, music, documents) then when your drive does fail, all t
英语阅读理解
2001年Blue成立，一首《All Rise》红透了英国，甚至传到了中国的大街小巷。然而04年Blue就急流勇退，成员选择解散单飞。看着曾经青春帅气的Blue成了奶爸级别的四个大 叔，还是让人觉得不太适
天籁音乐
2013年中秋节为9月19日，放假日期为9月19日至9月21日，共三天。2013年中秋节放假通知英文版、2013年中秋节放假通知英语范文、中秋节放假通知用英语怎么写? Dear Colleagues Please kindly be informed th
英语作文
The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e
2016CRI中国国际广播电台
Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst
英文短篇故事（纽约）
讲解文本： backup 备份，替补，后援 Just admit it, you're a backup, she dosen't like you. 你就承认了吧，你只是一个备胎，她不喜欢你。 She is keeping you around just as a backup. 她把你留在身边，只是作为一个
愉悦口语
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
VOA常速英语2007年（十一月）
Absurdly Driven looks at the world of business with a skeptical eye and a firmly rooted tongue in cheek. Absurdly Driven是一项关于带有怀疑的眼光及根深蒂固的口是心非看待商业世界的研究。 You're a lot more sensible than I
阅读空间
今天我们要学的词组是backup。作为形容词，backup的意思是后备，替代。媒体报道说，布什总统实施新的伊拉克计划之后，一些州长在白宫询问布什和参谋长联席会议主席Peter Pace有没有后备计划
英语单词荟萃
今天我们要学的词是rise to the occasion。 Rise to the occasion, 意思是应对挑战和困境。首发四分位中场受伤后， The backup quarterback rose to the occasion and led the team to victory, 候补四分位临危受命，带领球
英语每日一词
音乐咖啡厅:Blue - I Can 相关介绍：2001年Blue成立，一首《All Rise》红透了英国，甚至传到了中国的大街小巷。然而04年Blue就急流勇退，成员选择解散单飞。看着曾经青春帅气的Blue成了奶爸级别的
音乐咖啡厅
That's why when, in California, we try to deal with all the solar we've brought online 这就是为什么在加州，我们正在尝试太阳能的完全使用， we now get about 10 percent of electricity from solar 我们现在能够从太阳能获得
TED演讲国际问题篇
The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for
2016CRI中国国际广播电台
Blue七年之后强势回归：新单I Can放送！ Blue回来了！时隔七年，Blue再次重聚要发新专辑了，从All Rise开始，这份经典的记忆居然持续了快十年啊！新歌有没有让你想起当初惊艳到你的嗓音？ A
经典英文歌曲