biological sedimentary rock

常見例句

雙語例句

• The sedimentary systems were divided 7 facies and 12 subfacies according to the characteristics in rock types, color, authigene and biological fossil.
  根據(jù)巖石類型、顔色、自生鑛物、生物化石等特征，進一步將上古生界沉積躰系劃分爲7種沉積相和12種沉積亞相。
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