We separated TM tissues from bovine eyes under sterile conditi.
探索并改进体外牛眼小梁细胞的培养方法。
Niuyan Cave is located at Miushou Mountain in Mentougou, Beijing(39°54 N latitude,115°36 E longitude).
北京市门头沟牛眼洞产有豹、岩羊和纳呼尔绵羊等３种哺乳动物化石。
