... displacive precipitation 推移沉淀作用 precipitation regime 季节降水特征 ; 降水型 ; 降水状况 ; 降水季节特征 precipitation echo 降水回波 ; 降雨回波 ...
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利用自然正交函数展开的前三个特征向量场及对应的时间系数将梅雨降水分成三类六型。
The Meiyu precipitation can be classified into three classes and six patterns by using the first three characteristic vectors and their corresponding time coefficients.
在华北平原北部研究了不同降水年型、不同水氮管理措施对冬小麦和夏玉米产量和氮素平衡的影响。
The effect of different rainfall years and different water and nitrogen management ways on winter wheat and summer maize was studied in northern part of north China Plain.
并提出了不同降水年型的合理施肥范围，分析了最大和最佳产量的施肥组合及其经济效益。
The rational fertilization areas in different precipitation years were put forward, and analysis on the fertilization plan for the maximum yield and optimum economic effect was made.
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