proterozoic
元古代
常用释义
英式发音
美式发音
基本释义
- n. 元古代，原生代
- adj. 元古代的
例句
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1·Early Proterozoic high-pressure metamorphism in the Wutaishan.五台山早元古代高压变质作用研究。
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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。
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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。
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4·At present, the age of storm deposits reported in China may be traced back to late proterozoic.目前我国已报导的风暴沉积时代可追溯到晚元古代。
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5·Early Proterozoic Tongbaishan group cannot be the source rock of the granite by study in detail.详细的研究表明了早元古界桐柏山群不能成为老湾花岗岩的源岩。
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6·This paper deals with the features of late Middle Proterozoic active continental margin in South China.本文阐述了华南中元古代晚期活动陆缘特征。
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7·Before Later Proterozoic era, in this area more than two times of thermodynamic metamorphism took place.在晚元古代以前该地区至少发生过两次热动力变质作用。
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8·This metallogenic province is characterized by the Mid-Late Proterozoic and the Late Paleaozoic mineralizations.此巨型成矿域以发育中、晚元古代及晚古生代成矿作用为其特点。
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9·Wengquangou boron-iron deposit occurred within the rocks of Lieryu Formation in Liaohe Group, early Proterozoic.翁泉沟硼铁矿床赋存于早元古宙辽河群里尔峪组。
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10·The early Proterozoic atmosphere and hydrosphere are similar to those of Archaeozoic in being still absent in oxygen.早元古代的大气圈、水圈与晚太古代相似，仍为缺氧性质。
网络释义
- proterozoic era : 元古代；原生代