ordovician and silurian中文，ordovician and silurian的意思，ordovician and silurian翻译及用法

2026-06-24 12:23 浏览次数 28

ordovician and silurian

奥陶志留纪

ordovician and silurian 例句

英汉例句

  • the graptolite shale of ordovician and silurian in south china including two types : one is basin type and the other slope type.

    中国南方奥陶—志留纪含笔石地层，根据其巖性特征、沉积相标志、相序以及所含生物，可将笔石页巖相划分为两类：盆地型和斜坡型。

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