雨量;降雨: rainfall降雨,降雨量: rainfall测量降雨量: measure the amount of rainfall大降雨量: heavy rainfall等效降雨量: equivalent rainfall地表降雨量: ground rainfall降雨量分布: distribution of rain; rainfall distribution coefficient降雨量梯度: rainfall grandient降雨量学: hyetology降雨雨量: rainfall净降雨量: net rainfall年降雨量: annual preipitation; annual rainfall; yearly rainfall年总降雨量: total rainfall per year平均降雨量: average precipitation; average rainfall; normal rainfall日降雨量: daily precipitation适度降雨量: moderate rainfall特大降雨量: outstanding rainfall小时降雨量: hourly rain fall; hourly rainfall depth汛期降雨量: rainfall during flood period一场雨;降雨量: rainfall有效降雨量: effective precipitation; effective rainfall月降雨量: amount of monthly rainfall总降雨量: total rainfall最大降雨量: maximum rainfall降雨历时: duration of rainfall; rainfall duration降雨量水文年: rainfall year