secondary enrichment

常见例句

双语例句

• The second mineralization process is secondary enrichment.
  第二次成矿作用是次生富集作用。
• During Tertiary period, the secondary enrichment happened to the gold in weathering crust of planation surface.
  在第三纪，夷平面上的风化壳中的金经历了重要的次生富集作用；
• 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。
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