中志留世的英文

middle silurian

• 中:    hit; fit exactly
• 志:    aspiration; ambiti ...
• 留:    remain; stay
• 世:    lifetime; life

例句与用法

1. From the middle silurian to the early devonian , no fossils were found in the eqm , which probably indicates that the eqm was a land and was connected with the north china block
   在中志留世至早泥盆世，东秦岭未发现古生物化石，很可能为陆地，并与华北陆块联为一体。
2. The results show that the ore - bearing strata occur in variegated strata of middle silurian quannaogoushan formation , that the metallogenic materials might have been derived from the land area , and the metallogenic epoch is middle silurian
   结果表明，天鹿铜矿床赋存于中志留统泉脑沟山组杂色岩层中，其成矿物质来自陆源，主成矿期为中志留世，属沉积砂岩型铜矿床。