radiolarian chert

基本解釋

• [地球科學(xué)]放射蟲(chóng)燧石

英漢例句

雙語(yǔ)例句

• There exists abundant Radiolaria in the chert, and the radiolarian association suggests that the chert was formed in the last period of Late Jurassic.
  硅質(zhì)巖中含有大量放射蟲(chóng)，放射蟲(chóng)組合顯示硅質(zhì)巖的沉積時(shí)代為晚侏羅世晚期。

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詞組短語(yǔ)

短語(yǔ)

• radiolarian bedded chert 放射蟲(chóng)硅質(zhì)巖

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專(zhuān)業(yè)釋義

地球科學(xué)

• 放射蟲(chóng)燧石