prema

Third , according to the experience in PREMA , the author improves environment cost account system .

结合在中德清洁生产项目的工作实践，改进了环境成本核算模式。

The magmas came from PREMA source area .

海槽岩浆物质主要来源于PREMA地幔源区；

PREMA ( FOZO ) is a popular end member of mantle for all ocean island and flood basalts , probably representing the lower mantle .

PREMA（FOZO）则是洋岛玄武岩和溢流玄武岩公共端员。

Thirdly , the evolutionary process is similar in the northern and middle of trough , under which a huge , uniform magma reservoir different with that in the southern trough may possibly exist . The magmas under the Okinawa Trough comes from PREMA source area .

海槽北、中段岩浆演化过程相似，其下很可能存在有巨大的、统一的岩浆房，但与海槽南段岩浆作用差异明显，岩浆物质很可能来源于PREMA地幔源区；