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
yield-density effect 产量 ; 密度效果
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
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。
Site type and stand age can significantly influence the paper properties whereas silviculture density effect isn't significant yet.
其中，造林密度对木材造纸特性的影响不显著，年龄、立地类型均显著地影响造纸特性。
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。
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