As species change, community composition changes.

比如种的改变，种群构成的变化等等。

The microbial community composition of sulfur cycle in Lake Ehai sediments is complex.

洱海沉积物硫循环相关微生物群落组成复杂。

The community composition and the bloodsucking rate of midges varied with different counties and habitats.

不同市(县)、不同生境蠓种组成及吸血率不同。

Objective to grasp the community composition and structure of ectoparasite fleas on rodents in the Tarim Basin.

目的掌握塔里木盆地啮齿动物体外寄生蚤的群落组成和结构。

Public power for the whole community composition system, in which executive power is in a very important position.

对于整个社会的公共权力组成系统而言，行政权力在其中无疑处于一个非常重要的地位。