向外长波辐射 meaning in English

outgoing longwave radiation (olr)
outgoing longwave radiation （olr）

In order to study the anomaly pattern of summer rainfall in north china and the cause responsible for the anomaly , the climate characteristics of summer rainfall in north china and related circulation pattern , water vapor transport and outgoing long - wave radiation ( olr ) were analyzed in detail in this paper . more attention was paid on studying the relationship between sea surface temperature anomaly ( ssta ) over the north pacific and summer precipitation anomaly in north china and an agcm was utilized to confirm the affection of ssta on the summer rainfall of the north china
为了揭示华北夏季降水异常规律及其成因，本文详细分析了华北夏季降水的气候特征及有关的环流特征、水汽输送特征和向外长波辐射( olr )特征，着重研究了北太平洋海温异常与华北夏季降水异常的关系，并应用大气环流模式初步验证了北太平洋海温异常对华北夏季降水的影响。