Competition-density effect 竞争密度效果
reduced-density effect 约化密度效应
competition density effect 竞争密度效应
density-effect 密度效应
reciprocal equation of common-density effect 共同密度效应互反方程
tree density effect 林木密度效应
Mass density effect 体密度效应
stand density effect 密度效应
density effect model 密度效应模型
The density effect becomes more and more obvious with the increase of forest age, breast diameter in growth progress and negative correlation coefficient of density increases.
5.建立了人工林密度效应模型。 随林龄增长,密度效应越显著,林木胸径生长与密度负相关系数增大。
参考来源 - 晋西人工林基于水分生产函数的密度调控模型研究·2,447,543篇论文数据，部分数据来源于NoteExpress
This not only tested the forest dynamics model but also verified the theory of stand density effect.
通过本文的研究既检验了林窗动态模型又印证了林分密度效应理论。
The study was carried out on the density effect of lawn plant a and the distribution of weeds around it with the frame model mainly according to sunlight.
以光照为主要依据建立了研究框架模型，对草坪植物a的密度效应及其杂草分布情况进行了研究。分析了A草密度与杂草分布之间的相互关系及其生态学成因。
The differences between the two reciprocal equations of the competition-density effect in nonself-thinning populations and self-thinning populations were analyzed theoretically.
对在无自然稀疏和有自然稀疏状况下有关植物群落的竞争密度效应的两个倒数方程的差异进行了理论分析。
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