短語詞組短語significance level of difference 差異顯著水平significance test of difference 差異顯著性檢騐significance analysis of difference 進行差異顯著性分析testing significance of difference 檢騐差異顯著性high significance of difference 差異高度顯著性test of significance of difference 差異顯著性測騐level of significance of difference 差異顯著平準non -significance of difference 差異無顯著性 返回 significance of difference