单词：dispersing reflector
单词：dispersing reflector 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
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
Panel Accuses Malaysia of Rights Violations Scott Bobb Bangkok 20 Aug 2001 11:43 UTC In Malaysia, a government-backed commission has accused police of 1)violating human rights in 2)dispersing an oppos
VOA2001-国际风云（4）
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
男人强励志英文 Spare No Efforts in Doing Things Concentration and perseverance built the great pyramids on Egypt's plains . The matter of a single trade can sppuort a family.The master of seven trades cannot support himself. Now I know that in
男人强励志英文
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）
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）
More stones came flying. She tried to crawl toward the tent, but Cohollo caught her. Fingers in her hair, 更多石块朝她飞来，她试图往帐篷爬去，却被科霍罗一把攫住头发， he pulled her head back and she felt the cold touch o
冰与火之歌系列之《权力的游戏》
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