英语词典
the self-thinning rule, a universal biological law in an even-aged plant population, describes decreasing processes of population densities at-3/ 2 power of plant mean weight on log-log graph.
自然稀疏法则描述在对数座标系上种群密度按植物平均重的-3/2乘方减少的过程。
互联网摘选
based on the famous-3/ 2 power rule and generalized schumacher growth equation, a mathematical model for the density change of even-aged pure stands with time during self-thinning process was presented, and the genetic algorithms was used to fit this nonlinear model.
应用-3/2法则及广义Schumacher生长方程导出同龄纯林自然稀疏过程中密度随时间变化规律新模型,采用遗传算法对非线性模型参数进行最优估计。
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