| 释义 |
proterozoic
释义
n. 元古代，原生代
adj. 元古代的
例句
1·Early Proterozoic high-pressure metamorphism in the Wutaishan.
五台山早元古代高压变质作用研究。
2·Uranium mineral is pitchblende which was formed in Lower Proterozoic .
铀矿物主要为沥青铀矿，形成于早元古代。
3·The ore bed hosts in boracic granulite of Lieryu formation, Liaohe group of lower proterozoic .
矿层赋存于早元古界辽河群里尔峪组含硼变粒岩段。
短语
1·proterozoic era
元古代；原生代
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