“Archean”的概念、定义、翻译、参考文献-科学参考

单词	Archean
释义	Archean [är`kē·ǝn] ^GEOLOGY A term, meaning ancient, which has been applied to the oldest rocks of the Precambrian; as more physical measurements of geologic time are made, the usage is changing; the term Early Precambrian is preferred.
随便看	double-U groove weld double valves double-V groove weld double-wall cofferdam double-wedge cut double weighing double-welded joint double-winding synchronous generator double word double-word addressing double-work doubling dose doubling the angle on the bow doubling time doubly linked ring doubly plunging fold doubly ruled surface doubly stochastic matrix doughnut Douglas-fir Douglas-fir oil douglasite Dounce homogenizer do-until structure douse

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