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- They are controlled by shear fracture belt of epimetamorphic rock series of Precambrian Period. 主要赋存于前寒武纪浅变质岩系中,受剪切断裂带控制。
- The variation of type of gold deposits in Wutai area shows complexities of ore forming process in Early Precambrian period. 本区早前寒武纪多类型金矿床的形成 ,表明了五台地区早前寒武纪金矿成矿作用的复杂性和矿床成因的多样性 ,也为认识我国早前寒武纪金矿成矿作用特点创造了极为有利的条件。
- THE GEOCHEMISTRY MODEL AND THE SIGNIFICANCE OF TWO KINDS OF GRANITIC ROCKS IN EARLY PRECAMBRIAN PERIOD IN LIAONING 辽宁省早前寒武纪两类不同花岗质岩石元素地球化学模型及意义
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Keywords Chaidamu basin;Central fault zone;Precambrian period;Basement rock;Regional metamorphism;Fold; 柴达木盆地;中央断裂带;前寒武;基岩;区域变质作用;褶皱镶嵌边;
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- He had to decide within a given period. 他得在一定时间内作出决定。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。
- In that period auto sales hit a14-year low. 这时期汽车销售量达到14年来最低水平。
- In this period, unemployment reaches record levels. 这段时间的失业人数又达到了创纪录水平。
- Which period of history are you studying? 你正在学哪一段历史？
- Can you tell me the time period when it was stolen? 能不能告诉我大概什么时候被偷的？
- The early precambrian geology of Wu Taishan II. 五台山早前寒武纪地质2。
- Chaucer wrote in the late mediaeval period. 乔叟写作的时代是中世纪末。
- Selected Papers on Precambrian iron Deposits. 前寒武纪铁矿论文集。
- She'll be away for an indefinite period. 她将离开一段时间，何时回来未定。
- This was the most difficult period of his life. 这是他一生中最艰难的时期。
- Rapakivi is a special rock in Precambrian. 环斑花岗岩是发育于前寒武纪的一种特殊岩石。
