[网络] 均差分析;均值差 difference in means: 均数差difference among means: 均数间差额difference between means: 平均数差数difference of sample means: 样品平均数差as a means of: 以资; 作为...的一种手段; 作为一种……手段;方法; 作为一种手段下载手机词典可随时随地查词查翻译