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multi-colored , pleochroic
Therefore, they are of polygenetic compound.
因此,它们是多因复成的。
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The polygenetic compound uranium deposits are very important in the Neogene basins.
新第三纪盆地中多因复成铀矿床很重要。
Polycyclic sedimentation formed an oil generating system with multiple polygenetic hydrocarbon.
多旋回沉积产生多元复合成烃的生油体系。
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