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1)  micro flora change
细菌种群消长
2)  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
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3)  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。
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4)  Population dynamics
种群消长
1.
Effects of Oecophylla smaragdina on Parasaissetia nigra population dynamics
黄猄蚁对橡胶盔蚧种群消长的影响
2.
The results indicated that the population dynamics of larvae had two peaks.
本文对斜纹夜蛾的种群消长、性比、发育历期、发育起点温度与有效积温以及毒力测定进行了研究。
3.
We chose tobacco fields in Feixian, Linyi, South of Shandong, investigated population dynamics of Myzus persicae (Sulzer) and several kinds of natural enemies roundly.
本文以鲁南临沂费县烟区为代表,系统调查了烟蚜及其主要天敌在烟田的种群消长动态,烟草品种、施肥量和种植方式对烟蚜发生的影响,并研究了应用防虫网和膜下栽烟技术对烟蚜和病毒病发生的影响、化学药剂防治及综合控制技术。
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5)  bacterial population
细菌种群
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6)  trend of growth and decline of population
种群消长趋势
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