improvement rate英语标准发音：improvement rate英式发音：美式发音：翻译中文改善率improvement rate - 基本释义[词典1]改进率改善率整体改善率好转率improvement rate - WEB词典improvement rate改善率中值改进率Good improvement rate愈显率energy utilization improvement rate水能利用提高率 参考资料： 1.百度翻译：improvement rate2.有道词典：improvement rate3.爱词霸：improvement rate
