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。
Time is only considered as the effect on population density in ordinary model.
常微模型只考虑时间因素对种群密度的影响。
The results of the theoretical model calculation and practical application have showed the little error and good effect to inverse 3-D density interface.
理论模型试算与实际应用结果表明，应用边界元法反演三维密度界面误差小、效果好。
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。
Objective to produce a new type of dementia model so as to examine the functional change of learning and memory, muscarinic acetylcholine receptor density, and effect of ZMS-active component of Zhimu.
目的制造一种新的大鼠痴呆模型，考察模型大鼠学习、记忆和M受体密度的变化，以及知母有效成分知母皂甙元(ZMS)的影响。
Objective to produce a new type of dementia model so as to examine the functional change of learning and memory, muscarinic acetylcholine receptor density, and effect of ZMS-active component of Zhimu.
目的制造一种新的大鼠痴呆模型，考察模型大鼠学习、记忆和M受体密度的变化，以及知母有效成分知母皂甙元(ZMS)的影响。
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