二叠纪 meaning in Chinese
dias
permian period
Examples
- Restudies on permian reefs in eastern sichuan , china
川东二叠纪生物礁的再认识 - Inquiry into the cleaning process for carboniferous - permian coal at baidong mine
白洞矿石炭二叠纪煤的洗选工艺探讨 - Discovery of a cold - water fauna in the mount buka daban area , east kunlun
东昆仑布喀达坂峰地区发现二叠纪冷温动物群 - Distribution and occurrence of permian coal bearing measures in matouling well field
马头岭井田二叠纪含煤岩系分布赋存规律