efficiency rate英语标准发音：efficiency rate英式发音：美式发音：翻译中文效率efficiency rate - 基本释义[词典1]效率实用率efficiency rate - WEB词典Efficiency Rate效率比实用率有效率效率Diffraction efficiency delay rate衍射效率延迟速率diffraction efficiency variation rate衍射效率变化速率 参考资料： 1.百度翻译：efficiency rate2.有道词典：efficiency rate3.爱词霸：efficiency rate
