base earth

基本解释

Thirdly, theoretical base of earth system science was constructed.
第三，构建了地球系统科学理论基础。
Abstract: In rock pyrolysis when the content of base metals and base earth metals is relatively high ionization interference will frequently occur.
文摘：在岩石热解分析中当岩样碱金属和碱土金属离子含量较高时，经常发生离子化干扰的影响。
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However, they could arise in globular clusters, where massive objects quickly settle to the center like heavier molecules at the base of Earth's atmosphere.
因为在球状星团中大质量的天体很快就会进入星团的核心区域，就橡较重的分子总是位于地球大气层的底部一样。
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Listeners on Earth heard the countdown from Tranquility Base: "Three,two,one .
As we approached the mountain, the hills and gulleys bore the appearance of having been created by some vast, fierce torrent rushing around the base of the peak, and tearing its way through the loose earth....

That might help evolutionary biologists answer the question of why, for billions of years, and in every form of life on earth, only two base pairs are used.
ECONOMIST: A new kind of DNA
It is obvious why—one of the biggest costs of a manned lunar base would be sending water to it from earth.
ECONOMIST: At least lunar gold-diggers will be able to take a shower