英汉例句

• doing so, it may be possible to increase the availability and variety of food by improving agricultural productivity and reducing seasonal variations in food supplies.

  这样做，可以通过提高农业生产率和减少粮食供应的季节波动，增加粮食的可供量和种类。

• there were seasonal variations in plasma vitamin k in this population.

  而血浆维生素k没有季节变化。

• different cropping systems also resulted in seasonal variations of methane emission.

  耕作制也影响稻田甲烷排放的季节变化规律。

• the group adjusts the figures for these seasonal variations in order to facilitate month-to- month comparisons.

  该协会调整了季节性变化的因素以进行月度环比。

• the result shows: e and rm have obvious cycles, seasonal variations and periodicity;

  结果表明：e和rm具有显着的季节变化和周期性；

• this paper analyzes the influence of key weather variables (temperature and rainfall) and seasonal variations in daylength on daytime activity budgets.

  详细分析了两个主要气象因素（温度和降水）以及昼长季节变化对该种群动物的日活动节律的影响。

• in addition, there is a anti-correlation between aod and seasonal variations of relative humidity.

  另外，气溶胶光学厚度与相对湿度季节变化大体成反相关关系。

• over the course of a year, its length varies by about one millisecond, or 1,000 microseconds, due to seasonal variations in the planet's mass distribution such as the seasonal shift of the jet stream.

  在一年中，由于地球质量分布产生的季节性变动，例如高空急流产生的季节性变动，地球日长会发生约1毫秒（1000微秒）的差值。

• this paper presents diurnal and seasonal variations of several meteorological elements in the tropics by examining local geographic circumstance and observation reports in 75 surface stations.

  本文通过对75个地面测站的地理位置、地形及几种气象要素的分析，找出了这些气象要素的日变化和季节变化规律。

• the seasonal variations of source contributions were distinct, and spatial variations were perceptible.

  污染源贡献具有明显的季节变化，并存在一定的地域变化。

• the seasonal variations in water and sediment discharges affect the distributions of annual runoff and sediment discharge.

  水沙的季节性变化影响着年内的径流量、输沙量的分配情况。

• seasonal variations of photosynthetic parameters of marine phytoplankton were analyzed in combination with the determination of cell chla and carbon content.

  结合叶绿素和细胞含碳量的测定，描述了浮游植物光合参数的季节变化，探讨温度对同化系数和碳比积累速率的影响。

• the results that there are obvious regional and seasonal variations of pwv in plateau and plain areas.

  结果表明，高原地区和平原地区的可降水量有明显的地区性及季节性变化。

• at present, the main research objects on seasonal variations are quantitative data, but seldom concerning qualitative data.

  目前季节变动的研究对象主要是定量数据，对定性数据则很少涉及。

• the ambient temperature subject to seasonal variations but not exceeding 40℃ and not less than -15℃, no special environmental requirements.

  环境温度随季节变化，但最高不超过+40℃，最低不低于-15℃，无特殊环境要求。

• most seasonal variations in the acoustic parameters of knocks and grunts can be explained by the effect of temperature on sonic muscles and central vocal control circuits.

  敲击声和呼噜声的声音参数中的季节性变化，多数可以解释为发声肌肉和中央声音控制回路的温度效应。