单词：off-axis reflector
单词：off-axis reflector 相关文章
Laughing with Helen Hunt David: How do you like being in New York City? Of course you spend a lot of time here anyway in New York City. Helen: I’m up here about half the time. David: You have your d
疯狂英语2003年
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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
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This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute Happy New Year! And dont feel bad about taking today off. After all, youve traveled far. And Im not talking about the trip home from the party last night. According to N
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axis, ['ksis] n 轴（虚构之线，如地轴，坐标轴） 【记】i象虚线－虚轴
不择手段背单词
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
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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
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Good morning from the CNN center in Atlanta, I am Reggie Aqui. Thanks for checking in. here's a look at what's happening NOW IN THE NEWS. The house has passed legislation that would impose a 90% tax on bonuses paid to employees of companies receivin
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Separated by Civilization: Trans-Atlantic Impasse (1) The war in Iraq has made the Atlantic seem wider. But really it has had the effect of a magnifying glass, bringing older and more fundamental differences between Europe and the United States into
英语阅读理解
By Gary Thomas Washington 16 October 2006 A Japanese woman reads an extra special edition newspaper reporting about North Korea's nuclear test, distributed in downtown Tokyo, October 9, 2006 North Korea, which recently conducted an underground nucle
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第一部分 常用于引言段的句型的2类表达方式 一、议论文常用句型 1. It is a fact that. 2. It is well-known that. 3. There is no doubt that. 4. I think that. 5. Contrary to the popular thought, I prefer. 6. Some people say/belie
实用英语
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
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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
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Science and technology 科学技术 Biometrics 计量测定学 Clocking people's clocks 识别人们的行踪 Facial-recognition systems are getting better 面部识别系统愈发完善 WITH some pride, the FBI trumpeted the news last month that tha
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American business in wartime 美国的战时经济 Democracy's arsenal 民主阵营的兵工厂 Freedom's Forge: How American Business Produced Victory in World War II. By Arthur Herman. 《铸就自由：美国工业如何赢得了二战》亚瑟赫尔
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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
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英文语法词汇