... Optimal level of significance 最适显着水平 level of significance test 显着性检验水平 significance level of difference 差异显着水平 ...
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The difference of PC and NC in different economic level group had statistical significance(P<0.001).
不同经济水平组NC、PC的差异都有统计学意义（P<0.001）。
Soil nutrient index of 6 different utilization patterns in research area was measured. Significance of difference and soil nutrient level in different utilization patterns were comparatively analyzed.
通过对研究区6种不同利用模式下土壤养分指标的测定，对比分析出各利用模式间土壤养分含量水平和差异显著性。
The statistical results showed that there was no significant difference between the predicted and found values when the level of significance was over 5%.
通过对模型进行数理统计检验，在显著性水平大于5%的条件下，其预测值与测定值不存在显著性差异。
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