... 指数型趋势面 exponential-type trend surface 族群趋势指数 index of population trend 离差指数 离中趋势指数 indexofdispersion ...
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the index of population trend 种群动态
index of population development trend 种群增长趋势指数
trend index of population 种群趋势指数
An approximate variance estimator for index of population trend developed with delta-method and its application;
应用干扰作用控制指数法评价了阿维菌素、蚜虱灭、蚜虱蓟净等杀虫剂对桃蚜种群控制的作用。
The index of population trend in treatment of spraying chemical insecticides was 7.20, The index of population trend would increase in 1.43 times against that in control.
施用化学杀虫剂的种群趋势指数（）为7.20，干扰作用控制指数为1.43，即种群趋势指数将增长为对照的1.43倍。
Effect of temperature on development, survival, reproduction, population parameter and population trend index of Spodoptera litura (Fabricius) were studied.
研究了温度对斜纹夜蛾的发育、存活、生殖、种群参数和种群趋势指数的影响。
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