English translation for "原生代"

proterozoic
protozoic

Example Sentences:

	1.	Global ice ages occurred at least three times in the period known as the proterozoic eon , first at 2 . 3 billion years ago and again at 750 million and 600 million years ago 原生代期间至少发生过三次全球性冰期，第一次始于23亿年前，其后于7 . 5亿与6亿年前又再度发生。
	2.	Like the better - studied late proterozoic glaciations , the huronian event appears to have been global , based on interpretations that some of the continents were near the equator at the time ice covered them 休伦冰期的相关研究不如其后两次原生代冰期详尽，但从当时位于赤道附近的部份陆地也受冰层覆盖的情况看来，它似乎也是一场全球性事件。

Similar Words：

"原生成分" English translation, "原生成分条带" English translation, "原生成因" English translation, "原生虫区系" English translation, "原生带" English translation, "原生代的" English translation, "原生代古生代间" English translation, "原生的" English translation, "原生地" English translation, "原生地槽" English translation