difference in means英语标准发音：difference in means英式发音：美式发音：翻译中文平均数差异difference in means - 基本释义[词典1]均值差difference in means - WEB词典difference in means均数差 参考资料： 1.百度翻译：difference in means2.有道词典：difference in means3.爱词霸：difference in means
