lower triassic series

基本解釋

• [地球科學(xué)]下三疊統(tǒng)

英漢例句

雙語例句

• The stratiform and strata-bound iron ore deposits in the Middle Triassic series in the lower reaches of the Yangzi River were formerly considered as simple contact-metasomatic ore deposits.
  長江中下游中三迭統(tǒng)層狀—層控型鐵礦床，曾被傳統(tǒng)地視為典型的接觸交代型礦床。

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詞組短語

短語

• lower and middle triassic series 下中三疊統(tǒng)

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專業(yè)釋義

地球科學(xué)

• 下三疊統(tǒng)