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文森峰的地层为一套古生代浅变质沉积碎屑岩系.
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具有工业价值的金矿类型以花岗岩 - 绿岩型、变碎屑岩型 、 微细 浸染型 、 火山-次火山岩型为主.
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This is a clathrate complexation which possessed a novel three dimension supramolecular structure.
这是一种新颖的纳米级三维超分子结构.
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研究了吗啡啉有机近 非水 体系中笼形类沸石材料MTN的合成规律.
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方法采用序贯法,静脉注射测定药物的LD50.
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The experiments showed that the fatty acid after urea clathrate was not easy to develop oxidation.
实验得出经尿素包合后的脂肪酸,不易氧化.
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They were rushing into a more crowded yard, alive with clatter and clang of life.
司闸喊道,呼一声打开了车门.火车正驶入一个拥挤的车场, 站台上响彻着生活的嘈杂和热闹.
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They were rushing into a more crowded yard, alive with the clatter and clang of life.
火车正驶入一个拥挤的车场, 站台上响彻着生活的嘈杂和热闹.
英汉文学 - 嘉莉妹妹
During the night a metal dish was heard to clatter down the stone stairs.
夜里听到有金属盘子叮叮咚咚滚下了石阶的声音.
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