T test was applied for difference comparison among measurement data.
计量资料组间差异比较采用t检验。
There was significant difference between two groups by using Student t test(P<0.05).
经配对t检验表明二者间有显著性差异（P<0.05）；
One of the main methods to test the gas permeability is using partial pressure difference.
用压差法测试塑料薄膜的透气性，是一个长期使用的主流测试方法。
The results show that the tiny difference of the test setup can bring much difference.
结果表明实验布置的细微差别都会给测试结果带来很大的影响。
What is the difference between a test suite, a test case and a test plan?
测试套件、测试用例、测试计划，这三者之间的区别是什么？
What is the difference between a test suite, a test case and a test plan?
测试栈、测试用例、测试计划，这三者之间的区别是什么？
The intragroup difference of measurement data was detected with the t test.
组间计量资料差异性测定采用t检验。
Notice the dramatic difference in size between the test stand on the left, the old one, and the new one on the right.
注意左边老式测试台与右边新式测试台尺寸上戏剧化的不同。
The difference of the measurement data was compared with the paired t test.
计量资料差异性比较采用配对t检验。
Causes of color difference and test method were introduced.
介绍了色差的产生原因及测试方法。
The difference of the measurement data was compared with the t test.
计量资料差异性比较采用t检验。
The t test was applied to compare the difference of measurement data.
采用t检验比较计量资料间差异。
The mean difference of the post-test was significant at the 0.05 level.
实验组和对比组时间的平均数差异经过t检验，在0.05的水平上具有显著性。
The mean difference of the post-test was significant at the 0.05 level.
实验组和对比组时间的平均数差异经过t检验，在0.05的水平上具有显著性。
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