片语

seasonal quantity fluctuation季节消长

seasonal fluctuation detail季节性动摇

seasonal fluctuation of vegetation植被季节变化

seasonal business fluctuation季节性营业波动

rodent seasonal population fluctuation鼠类的季节性数量变动

seasonal mood fluctuation季节性心理情绪波动

seasonal l fluctuation季节性波动

seasonal fluctuation of population指数季节消长

seasonal population fluctuation季节数量消长

英汉例句

• as the result of seasonal fluctuation of water, the total hg concentration of water and sediment would be degressive in sequence of low water, flush time and ordinary level.

  水位随季节周期性消落，将导致水体相和沉积物相中的总汞浓度按枯、丰、平顺序依次递减。

• conclusion the seasonal fluctuation of r. flavipectus and the species composition of parasitical fleas were clear. the host animal and xenopsylla cheopis should be controled.

  结论 摸清了合浦县黄胸鼠及其寄生蚤的种类、构成和季节消长，表明它们仍是合浦县鼠疫预防控制的主要对象。

• conclusion the species composition and seasonal fluctuation of vectors mosquitoes were preliminarily known. and the results provide guidance for mosquito and mosquito-borne diseases control.

  结论 基本掌握了天津市蚊虫的密度、种群构成及季节消长情况，为蚊虫及蚊媒病的防制提供指导意见。

• using standard x -11 method, we analyze seasonal fluctuation of international oil price and discuss its movement discipline, in order to provide information support for importing oil of our country.

  利用标準x-11方法分析国际油价季节性波动，探讨油价运动规律，为我国进口石油提供信息支持。

• the distribution, breeding habits and seasonal fluctuation of the various mosquito larvae were studied at eight breeding places in the mountain resort from 1985 to 1995.

  1985年和1995年先后在承德避暑山庄内选择8个具有代表性的蚊幼虫孳生地进行了蚊种类的分布及季节消长的研究。

• objective to understand the species, composition and seasonal fluctuation of parasitical fleas of citellus dauricus in hebei plague natural foci.

  目的了解河北省鼠疫自然疫源地内达乌尔黄鼠寄生蚤的种类、构成、季节消长。

• objective to determine the density of primary vector species and their seasonal fluctuation in pan'an county for improvement of prevention and control strategies.

  目的掌握浙江省磐安县主要病媒生物种群密度及其消长规律，为控制病媒生物的危害提供科学依据。

• it was still difficult to conclude its annual cyclical fluctuations although the seasonal fluctuation of the vole was known.

  布氏田鼠年动态是否有周期性尚难以下最后的结论，但存在季节动态是可以肯定的。

• the water-level-fluctuating zone appears periodically because of the seasonal fluctuation of water level in the reservoir.

  消落带是指库区由于水位季节性涨落使得库岸周边土地周期性出露于水面而自然形成的带状区域。

• stock market seasonal fluctuation is a part of short time fluctuation theory in stock investment return. this kind of phenomenon exists in the stock market of a lot of countries.

  股票市场季节性波动是股票投资收益的短期波动理论，这种现象在许多国家的股票市场中存在。

• objective to learn vector species and its seasonal fluctuation in the qingpu district, and to provide the evidence for the prevention and control of vector-borne diseases.

  目的了解青浦区媒介生物的种类及其季节消长规律，为预防和控制媒介生物传播疾病的发生和流行提供依据。

• seasonal fluctuation in incidence of this disease was observed, being higher in the spring and summer and lower in the autumn and winter.

  发病的年度波动不明显，但有季节性波动，即春夏高于秋冬季。

• conclusion the clarified fly species composition and seasonal fluctuation at xiuyu port provide scientific references for fly controlling and infectious diseases monitoring.

  结论基本摸清秀屿港口岸蝇类种群组成及季节消长，对实施蝇类生物控制和开展传染病监测等工作提供了科学依据。