单词：cylindrical calibration reflector
单词：cylindrical calibration reflector 相关文章
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用Mp3背六级单词
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
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
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）
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
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