根据降水变化可分为三个多雨期和三个少雨期。
With the change of precipitation, it divided three pluvial periods and three dry periods.
研究结果表明，沼泽湿地蒸发量在夏季少雨期高于农田，秋季多雨期低于农田；
The result shows that during rainless summer evaporation of wetland is higher than that of farmland, but during rainy autumn is lower than that of farmland.
北区年降水量变化较小。青藏高原降水量在1978年由少雨期转为多雨期，青藏高原夏季降水与孟加拉湾的水汽输送及副高的水汽输送关系密切。
And we find that the precipitation was catastrophe in 1978. The water vapor of the Bengal Gulf and subtropical high was related to the Plateau summer rainfall.
多雨、寡照的异常气候对不同水肥条件下玉米杂交种的叶面积指数、叶片功能期的影响与正常条件下的一致，但对产量、光合速率等的影响与正常气候条件下有较大的差别。
The effects of sublime climate to LAI and leaf function were in accord with in normal conditions, but the effects to yield and Pn were difference from that under normal conditions.
而在寒冷潮湿多雨冻原、高山草甸类草场，热量条件是影响牧草返青期的主要因子。
The time of turning yellow related to heat condition both the Cold temperate perhumid cold conifer forest and the Frigid perhumid rain tundra alpine meadow.
而在寒冷潮湿多雨冻原、高山草甸类草场，热量条件是影响牧草返青期的主要因子。
The time of turning yellow related to heat condition both the Cold temperate perhumid cold conifer forest and the Frigid perhumid rain tundra alpine meadow.
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