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polygenesis n.1.【生物學】多元發生說。2.有性生殖。

polygeny

But through our research on the hetaoping mineralization - concentrated region , we find that the deposits in this area have a lot of typical characteristics of massive sulfide deposits , and it also has the possibility of polygenesis 最近,通過對保山北部核桃坪礦集區的初步研究,發現該區的礦床具有塊狀硫化物礦床的典型特征,并存在多元礦化的可能。