specific composition

• 种类组成,种成分

specific composition的用法和样例：

例句

1. The species composition and characteristics of mangrove flora in the world were reviewed and discussed.
   探讨了世界红树林植物区系的种类组成及其特点。
2. It is possible, finally, to base classification on the full floristic composition of communities without reliance on numerical techniques.
   最后，分类还有一种可能，即以植物群落的全部植物种类组成作为分类的基础，并无须依赖于计算技术。