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。
The level of LYM in RSA after being treated group was higher than in threatened abortion group, and the difference had statistical significance(P< 0.05).
RSA治疗后组的LYM水平显著高于先兆流产组，差异有统计学意义（P< 0.05）；
The level of F-actin expression in the cytoplasm of outer layer is apparently higher than that of inner one, and this difference shows statistical significance.
内层细胞胞质中的F肌动蛋白表达量较低，外层细胞胞质中的F 肌动蛋白表达量明显高于内层细胞，两者差异有统计学意义；
From the edentulous position to the largest open position, the mandibular protrusion showed marked difference at 5% level of significance.
无牙颌建位与正常人位无显著差异，从无牙颌位至最大张口位下颌突度的变化差异显著。
The difference had statistical significance(P<0.01). Conclusion The level of PRA and ALD in diagnosing malignant hypertensive arteriolar nephrosclerosis has positive significance.
结论PRA及ALD水平在恶性高血压性小动脉性肾硬化诊断中具有较积极的意义。
The difference had statistical significance(P<0.01). Conclusion The level of PRA and ALD in diagnosing malignant hypertensive arteriolar nephrosclerosis has positive significance.
结论PRA及ALD水平在恶性高血压性小动脉性肾硬化诊断中具有较积极的意义。
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