用“C27”造句大全,C27造句
1、具有高含量的C27甾*、规则甾*、4-*基甾*、长链三环萜*,说明它们母质主要为菌藻类;
2、High amounts of C27 steranes, regular steranes, 4-methyl steranes, long chain tricyclic terpanes for the western Qaidam oils indicate that the dominant organic matter source is algal material.