比较了感染率的季节性波动和对Corbicula fluminea 的危害。
The seasonal fluctuations about infectation percentage and the harm on the Corbicula fluminea were compared.
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。
Seasonal fluctuation in incidence of this disease was observed, being higher in the spring and summer and lower in the autumn and winter.
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。
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.
利用标准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。
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.
我国北方季节性旅游区的污水处理通常具有污水处理规模较小、生活污水所占比重较大、可生化性较好、水量呈季节性波动大等特点。
The discharge flow of seasonal tourist wastewater in North China is fluctuant and low, and most of them seem to be similar to domestic sewage with fair biological treatability.
相反，诸如季节性温度变化等高频波动是可以观察到的，而且在某种程度上是可以预测的，因此群体可以相应地调整它们的行为。
In contrast, high-frequency fluctuations such as seasonal temperature variations are observable and somewhat predictable, so that groups could have adapted their behaviors accordingly.
因此有着季节性的波动。当雪天来临时，就业机会就会消失。
So have seasonal fluctuations. Jobs used to disappear when the snow fell.
杜兰用自己最喜欢的研究工具谷歌地图指出，因为农业耕作，就业波动更像是季节性的而非周期性的。
Fluctuations in the job market tend to be seasonal rather than cyclical because of the agricultural calendar, a point that Mr Duran illustrates with his favourite research toy, Google Earth.
因此有着季节性的波动。
每一季度的GDP数据因季节性因素(农业仍是经济的最大组成部分)和少数大型外企的活动而发生波动。
Quarterly GDP Numbers are swayed by seasonal factors (agriculture is still a biggish part of the economy) and by the activities of a handful of big foreign-owned firms.
假日会给该数据的季节性因素调整加大了难度。许多经济学家转而关注四周移动平均值数据，它抹去了每周的波动因素。
Holidays make it tricky to seasonally adjust claims. Many economists instead focus on the four-week moving average, which irons out weekly fluctuations.
建造天然气地下储气库可从根本上解决城市季节性调峰问题，是平抑供气峰值波动最合理、有效的途径之一。
Constructing natural gas underground storages is the most reasonable and effective means to fundamentally solve the issues of seasonal peak shaving of urban gas.
季节性时间序列具有增长性和波动性的二重趋势。
The seasonal time series has the double trends of increasing and fluctuating.
传统的以观光为代表的休闲性旅游，受到经济收入、工作时间和季节性的影响，存在着脆弱灵敏的特性，需求弹性大，市场波动明显。
The traditional tourism as the leisure tourism is affected by the economic income, working hours and season. It has some features as fragile sensitive, elasticity of demand, market volatility.
乌云密布的天空让很多在这儿生活的人都遭受季节性的情绪波动，然而我却期盼雨的到来。
Gloomy clouds cause many people around here to suffer from seasonal affective disorder. Yet I welcome the rain.
乌云密布的天空让很多在这儿生活的人都遭受季节性的情绪波动，然而我却期盼雨的到来。
Gloomy clouds cause many people around here to suffer from seasonal affective disorder. Yet I welcome the rain.
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