华北汛期降水量的多寡主要受其汛期大雨的频率和暴雨的贡献率影响。
The rainfall over North China during rainy seasons is mainly influenced by the heavy rain frequency and the excessively heavy rainfall contribution.
结合模式的回报资料，利用降尺度模型对1991–2001年的华北汛期降水进行回报试验。
With the hindcasted predictors by general circulation models (GCMs), the downscaling model was used to hindcast July-August North China rainfall over 1991–2001.
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