equatorial westerlies meaning in English

赤道西风带

( 4 ) the correlations are significant between the sth position index and the general circulation . in the westerly ( easterly ) year , equatorial westerly is weaker ( stronger ) , cross - equatorial flow is weaker ( stronger ) , south china sea summer monsoon is weaker ( stronger ) , the yangtze river valley westerly is stronger ( weaker ) , which has the positive ( negative ) effect on the maintenance of rain band over the yangtze river valley , so the rainfall is more ( less ) in this area and it is hit by floods ( droughts ) , vice versa
( 4 )本文运用定义的副高指数研究了六月份副高偏东偏西年份的大型环流特征及其对我国东部天气的影响，风矢量场和相关场分析结果表明：副高偏西(东)年，赤道西风减弱(增强) ，越赤道气流偏弱(增强) ，南海夏季风偏弱(强) ，而长江流域西风增强(减弱) ，有(不)利于雨带在江淮流域维持，该地区降水偏多(少)易涝(旱) 。