1) trend of growth and decline of population
种群消长趋势
3) the growth and decline trend
消长趋势
1.
Investigation to the growth and decline trend of lady bird in wheat field;
麦田瓢田消长趋势的调查
4) index of population development trend
种群增长趋势指数
1.
The index of population development trend of cotton aph.
结果显示 ,瓜蚜在 3种寄主上的生长发育和繁殖情况有差异 ,并随温度而变化 ,但皆以 18℃的种群增长趋势指数 (I)最高 ,分别为 6 。
5) population dynamic
种群消长
1.
Research progress in host selection and underlying mechanisms,and factors affecting population dynamics of Chilo suppressalis;
二化螟寄主选择行为与种群消长机制的研究进展
6) Population fluctuation
种群消长
1.
The population fluctuation of Apanteles glomeratus were investigated in Hangzhou suburbs during the period of 1995-1997, and eleven insecticides were evaluated in the laboratory for their toxicity to A.
自１９９５～１９９７年在杭州市郊对菜粉蝶绒茧蜂的田间种群消长动态进行了调查，并在室内测定了７类１１种常用杀虫剂对该蜂的毒性。
补充资料：种群增长率(见种群出生率)
种群增长率(见种群出生率)
种群增长率见种群出生率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条