surficial

In many porphyry copper deposits, additional enrichment of the metal has been caused by surficial weathering.

在許多斑巖銅礦礦床中, 地表風(fēng)化使得金屬銅進一步富集.

辭典例句

However, it had some limitation in partial deformity of surficial not better than the 2 - D images.

但有其一定的局限性,對部分體表畸形檢出不及二 維 探頭.

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