单词：cylindrical calibration reflector
单词：cylindrical calibration reflector 相关文章
If you look up 'tea' in the first cookery book that comes to hand you will probably find that it is unmentioned; or at most you will find a few lines of sketchy instructions which give no ruling on several of the most important points. This is curiou
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用Mp3背六级单词
The airport is your first stop before leaving on your dream vacation or trip. Generally speaking, you should arrive at the airport with plenty of time to spare. Don't arrive 10 minutes before your plane departs. You can park your car in long-term par
社会—In the Community
Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液，要比中间的溶液旋转得更快。 That difference in velocity creates sheer str
TED演讲教育篇
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
Idiom: Lose your marbles ( go crazy ) Hit the book: The experiments by some scientists tell us that bats use the sunset to calibrate the Earth's magnetic field for use as a compass. But the story may be still more complicated. In birds, it's not the
趣味青春英语
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
NB: This is not a word for word transcript Yvonne: Hello, I'm Yvonne Archer, this is 6 Minute English and thanks to Alice for joining me today. Alice: Hi Yvonne. Yvonne: Hello Alice. Now recently, an artefact - a very old piece of art - which many hi
六分钟英语
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美联社新闻一分钟2007
许多人都希望自己能变成更聪明。这也是各种健脑、补脑药品和营养品大行其道的原因。普林斯顿的一位神经生物学家Joseph Z. Tsien则宣称找到了开启智慧之门的钥匙基因。 Many people dream of hav
英语美文
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
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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）
生活大爆炸第一季第八集_2：The Grasshopper Experiment -Penny：Hi, guys. 嗨大伙们。 -Leonard：Oh, hey. 嘿。 -Penny：I need some guinea pigs. 我需要几只小豚鼠。 -Sheldon：Okay, there's a lab animal supply company in Resed
生活大爆炸第一季
Chapter Three 第三章 Outside, in the garden, it was playtime. 外面，花园里已到了游戏的时候。 Naked in the warm June sunshine, six or seven hundred little boys and girls were running with shrill yells over the lawns, or playing ball
美丽新世界
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）
德国大众集团旗下奥迪28日承认，全球约210万辆奥迪品牌汽车卷入排放门丑闻，其中，西欧市场约有142万辆，德国市场约有57.7万辆，美国市场约有1.3万辆。 请看相关报道： The German car maker Au
英文语法词汇
And an idol, indeed, it is; or rather, in old times, its likeness was. Such an idol as that found in the secret groves of Queen Maachah in Judea; and for worshipping which, King Asa, her son, did depose her, and destroyed the idol, and burnt it for a
白鲸记
French architects are planning to build a water wheel hotel on the banks of the Seine, which resembles the London Eye but with room capsules that would rotate constantly. 法国的设计师们打算在塞纳河边建造一座水上摩天轮旅馆，其
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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
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