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标题: 六级练习2014.11.29 [打印本页]

作者: Rebecca949    时间: 2014-12-1 09:38     标题: 六级练习2014.11.29

[audio]http://sound.yywz123.com/tingbbs/cet6/cet620141129.mp3[/audio]



After a year circling the moon with a diverse array of instruments, LRO has revealed detailed images far different from the ones Brown University geology professor Jim Head used when he worked in the Apollo program, _________________________________. Brown says the lunar maps back then were based on images with lower resolution and limited viewing angles, which meant that deciding where astronauts could land involved a fair amount of guesswork.
"But what we have here with the LOLA instrument is in fact the ability to create topographic maps that actually look like images. _________________________________which we've combined together to create these global topographic maps and they give us an even portrayal of the topography, _________________________________."





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作者: herman_liu76    时间: 2014-12-3 12:50

which sent the first man to the moon in 1968.
so we have over 2 and a half billion shoots of laser data.
largerly comprose infacts creators over the whole surfaces of the moon.
作者: susan.sui    时间: 2014-12-4 16:09

which first sent from the moon in 1968
so we have over 2.5 billion shots of major data
largely composed interpreter the whole surfaces of the moon
作者: laura6688    时间: 2014-12-5 14:46

which sent the first man to the moon in 1968.
so we have over 2 and a half billion shoots of laser data.
largerly comprose infacts creators over the whole surfaces of the moon.




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