The formation of auriferous stratawas controlled by volcanism and eustacy.
火山作和海平面变化对含地层的形了控制作。
The main gold-carrying minerals are pyrite,chalcopyrite and telluride.The best gold-carrying rock is the biotite-albit schist.
主要的载有黄铜、黄铁、叶碲铋,含性最好的岩石类型为只云母钠长片岩。
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Or at least, patents in China are probably less valuable than those in America or Europe.
或者至少以说,中国专利的含金量很有美国或欧洲的。
And then she'll write me a glowing recommendation.
然给我写一封含金量极的推荐信。
Of course, there are some students who worry that the value of a cooperative university's diploma will be seriously reduced.
也有不少同学担心合作办学校的文凭含金量大打折扣。
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