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n.
石炭紀；石炭層
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adj.
含碳或煤的；石炭紀的
Noun:
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from 345 million to 280 million years ago
Adjective:
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of or relating to the Carboniferous geologic era;
"carboniferous rock system"
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relating to or consisting of or yielding carbon
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用作名詞 (n.)
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In Early Carboniferous, Tianshan mountains entered an intraplate evolution stage.
從石炭紀已經南天山的地方進來陸內形成時候。
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The Characteristics of Carboniferous strata and milleral resources in Guangxi were briefly in troducted.
概述介召廣東石炭紀的地層特色及礦產品材料。
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海詞字典，二十七年國產品牌
美
[?kɑ?rb?'n?f?r?s]