the Silurian
英
美
- 志留纪;志留系
双语例句
- Ancient plant in the early Paleozoic marine mainly to the late Silurian Period, the original plants begin boarding land.
古植物在古生代早期以海生藻类为主,至志留纪末期,原始植物开始登上陆地。 - The contact relationship between Silurian and Devonian is parallel unconformity.
泥盆系与志留系之间为平行不整合接触。 - It is concluded that the source supply of Silurian asphalt sandstone is mainly from Middle and Lower Cambrian.
通过烃源岩及构造演化史研究认为,塔中志留系沥青砂岩的油源主要为中一下寒武统。
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