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polygenesis造句
1. Evidence shows that the uraninite is of polygenesis. 2. ( It is the question once again of polygenesis versus diffusion from a single origin. ). 3. The polygenesis cultures of Western Hunan permeate each other among the nationalities of Tujia, Miao, Dong and so on , which produces the identical trend of the ethical elements to a certain extent. 4. Thus, the author holds that the Jinshangold deposit is a polygenetic composite ore deposit with polygenesis, multi- stage and multi-material sources. 5. Thus, the author holds that the Jinshangold deposit is a polygenetic composite ore deposit with polygenesis, multi- stage and multi-material...