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1·The second mineralization process is secondary enrichment.

第二次成矿作用是次生富集作用。

2·The geochemical nature of the complex anion group controlled the vertical zoning and secondary enrichment of gold in the laterite gold deposits.

络阴离子团的地球化学性质，控制着红土型金矿床的垂向分带与金的次生富集。

3·Xie Fengqiao structure had captured and preserved the primary and secondary hydrocarbons, thus its enrichment level is the highest.

谢凤桥构造捕获并保存了两次生成的油气，油气富集程度最高。