selective enrichment

• 选择富集

selective enrichment的用法和样例：

例句

1. The enrichment of antinomy is closely related to silicification.
   锑的富集则与硅化关系密切。
2. Besides, selective grinding was found to be suited for enrichment of macerals.
   此外，选择性磨矿方法也可以进行煤岩组分的分离与富集。