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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:翻译如下:The calculated data is very close to the actual value,the difference is wit
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最佳答案:Seismic waves in different strata of the propagation speed depends on the value