1) seasonal fluctuation of population
指数季节消长
2) Seasonal population fluctuation
季节数量消长
3) seasonal dynamics
数量季节消长
1.
Study on the seasonal dynamics of small mammals in Jinhua City.;
金华城区小型兽类数量季节消长的研究
4) Seasonal fluctuation
季节消长
1.
Monitoring and analysis on population and seasonal fluctuation of cockroaches
蟑螂种群分布及季节消长监测分析
2.
Objective To study the distribution,population density and seasonal fluctuation of rat in large water-scale rubbish field,nearby village and on contrast spot.
结论垃圾填埋场对鼠种分布及季节消长均会产生很大的影响,但人为因素在鼠害的控制工作中更加重要。
3.
Objective: To study the species,composition and seasonal fluctuation of Rattus losea and it s parasitical fleas,and provide with the evidences for the policy made in Hepu county of Guangxi.
目的:研究广西合浦县鼠疫自然疫源地内黄毛鼠及其寄生蚤的种类、构成和季节消长,为制定鼠疫防制对策提供依据。
5) seasonal dynamics
季节消长
1.
Rodent density investigation and seasonal dynamics in Wuxi city;
无锡市鼠密度及季节消长调查研究
6) seasonal variation
季节消长
1.
Analyzing on the Population Distribution and Seasonal Variation of Plague Host Animal in Yingjiang county,Yunnan;
云南盈江县鼠疫宿主动物种群分布和季节消长分析
2.
Investigation on seasonal variation of cockroach density indoor in Suzhou urban districts;
苏州市城区室内蜚蠊种群密度季节消长调查研究
3.
The densities and seasonal variation of the flies in Wuyishan city;
武夷山市蝇类种群密度与季节消长
补充资料：季节指数法
季节指数法又称趋势比率法，是一种利用时间数列的实际值与趋势比率来进行预测的方法。
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