詞組搭配

Ordovician period奧陶紀(jì)

Ordovician system奧陶系

Middle Ordovician中奧陶世；中奧陶統(tǒng)；奧陶系中統(tǒng)

Cambro-ordovician寒武；奧陶紀(jì)

Lower Ordovician早奧陶世；下奧陶紀(jì)；下奧陶統(tǒng)

premedial Ordovician中奧陶世前的

Late Ordovician晚奧陶紀(jì)；晚奧陶世

late ordovician epoch晚奧陶世

upper ordovician晚奧陶世；上奧陶統(tǒng)

雙語例句

1. Marine volcanics of Early Ordovician was found in Zhifang region.

漢摘要紙房地區(qū)具有早奧陶世海相火山巖存在.

來自互聯(lián)網(wǎng)

2. This was the result from the large - scale regression in the Late Ordovician.

漢這是晚奧陶世晚期大規(guī)模海退的結(jié)果.

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3. The Cambrian - Ordovician strata in Luxi Block are very continuous and well exposed.

漢魯西地塊的寒武 - 奧陶紀(jì)地層出露連續(xù),露頭較好.

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4. NOTES ON THE GENUS REEDOCALYMENE KOBAYASHI, 1951 ( TRILOBITA, ORDOVICIAN )

漢論奧陶紀(jì)三葉蟲屬ReedocalymeneKobayashi, 1951 ( 英文 )

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5. The Lower Ordovician in Tazhong area is dominated by marine carbonate.

漢塔里木盆地塔中地區(qū)下奧陶統(tǒng)主要為一套海相碳酸鹽巖.

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英英釋義

1. from 500 million to 425 million years ago; conodonts and ostracods and algae and seaweeds