Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/6b17fc67fcad1f5ac5be12911a781334.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 biostratigraphy例句_biostratigraphy英汉例句_biostratigraphy双解例句_94生活常识网有道词典
This paper gives descriptions to biostratigraphy of Cretaceous sedimentary basins and egg fossils from these basins. 文中介紹了我國白堊紀幾個沉積盆地的生物地層和一些具有特色的蛋化石種類。