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北京郊区的气候特点是,雨量少(每年平均年降雨量665.4毫米)、变幅大(1956年1,406毫米,1965年262.8毫米,相差5倍多)、春旱夏涝(6—9月份占全年降雨量的84.7%,平均546.7毫米),严重地影响着
The climate in the suburbs of Beijing is characterized by less rainfall (an average annual rainfall of 665.4 millimeters per year), large amplitude (1,406 millimeters in 1956 and 262.8 millimeters in 1965, a difference of more than five times), spring drought and summer flood (from June to September 84.7% of annual rainfall, an average of 546.7 mm), seriously affecting