reducers还原剂reducev.减少；缩小；使落魄；简化；还原reduced discharge换算流量reduced frequence［力］折合频率reduce punishment减轻处罚reducer-oxidant还原-氧化剂reduced variables[化] 对比变量; 约化变量reduced pollutant污染物削减量reduce the memory减少储存体reduce power loss降低损耗reduce production紧缩生产reduce a fraction简化分数