经统计学卡方检验DA组与TF组之间疗效差异无显著性，两组与GIC组之间疗效差异有显著性。
There was no significant difference between DA group and TF group by chi square test. There were significant differences between GIC group and the other two groups.
并且大学英语四级学习者搭配错误的总频率高于六级学习者：卡方检验显示搭配错误在非英语专业学生（ST3和ST4）之间具有显著性差异。
The total frequency of collocation errors committed by ST3 outnumbers that by ST4, and the collocation errors committed by ST3 are significantly different from those by ST4.
卡方检验表明不论枯水期还是丰水期，预测和实际植被没有显著性差异。
The Chi-square test showed no significant difference between predicted vegetation and actual vegetation in both drawdown and flooding periods.
对单次针刀治疗后1个月与治疗后3个月有效病例数与无效病例数的统计显示：卡方检验P＜0.05，有显著性差异；
Single knife on 1 month after treatment and treatment of patients 3 months after the effective number of cases and the number of invalid statistics: chi-square test P <0.05, significant difference;
对单次针刀治疗后1个月与治疗后3个月有效病例数与无效病例数的统计显示：卡方检验P＜0.05，有显著性差异；
Single knife on 1 month after treatment and treatment of patients 3 months after the effective number of cases and the number of invalid statistics: chi-square test P <0.05, significant difference;
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