Anova and duncan ' s new multiple range test were used to detect if differences existed among suppliers ' attributes 并应用单因子变异数分析及邓肯氏新多变域检定法,比较11项决定因素的差异。
Note : the small letters shown significantly different at 0 . 05 level between treatment types ( vertical ) and the capital letters shown significantly different between treatment levels ( horizontal ) by duncan ' s new multiple range test 注:新复极差检验( 0 . 05水平) ,小写字母表示处理间差异(纵向) ,大写字母表示水平间差异(横向) 。