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中 下侏罗统

网络释义

短语

下-中侏罗统界线 Lower-Middle Jurassic boundary

双语例句

  • 西北地区下侏罗统煤层广布厚度较大;

    The Middle and Lower Jurassic with thick coal seam is widely distributed in Northwest China.

    www.chemyq.com

  • 钻井揭示,罗统生界主要

    According to the drilling results, the middle-lower Jurassic can be considered the main Mesozoic source rock.

    dict.cnki.net

  • 区内石炭—二叠纪煤系具有良好及一定煤层气潜力罗统白垩暗色泥岩具生油潜力的烃系。

    Permo Carboniferous coal series have relative good coal gas potential, dark mudstones in lower Jurassic, lower part of Middle Jurassic and lower Cretaceous are the best source rocks.

    dict.cnki.net

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