热门的

Study of metapopulation dynamics is one of the most important subjects in modern conservation biology and ecology.

复合种群动态研究当今保护生物和生态热门的课题。

Research on the origin and occurrence of gems and jades is one of the hottest topic in geology, gemmology and archaeology.

摘要宝玉石产地来源的研究近几年地质、宝石和考古界的热门话题。