density effect meaning in Chinese

空气密度影响
密度效果
密度效应
密集效应

The competition - density effect in populus euramericana cv . ' san martion ' plantations
72杨林的竞争密度效应
The semigroup solution of a forest evolution system with density effect
具有密度制约作用的森林系统的半群解
A study on the density effect model of rare and endangered tsuga longibracteata population
珍稀濒危植物长苞铁杉种群密度效应模型
Impacts of plastic mulching on water saving and yield increasing of dry land spring soybean and its density effect
土壤不同微生物量对木霉菌定殖的影响和木霉菌生态学习性研究