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最佳答案：而9.69的值小于19.68,说明卡方检验的预测值时可以接受的.And the value of 9.69 is smaller than 19.68,whic
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最佳答案：What is your sales of this kind of product , and how many do you want to buy fro
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最佳答案：We have formed management structure of annual sale **** sets,service **** sets,a
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最佳答案：1我们要从众多不确定性因素中找出对投资项目经济效益指标有重要影响的因素,进行分析、测算 1 We should find some factors from v
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最佳答案：1 The vase did not clean it up close(2) If we can not increase the sales of good