While s is standard in professional statistical circles, there certainly are alternative powerful approaches.
虽然s是专业统计学领域的标准，但是还是可以有其他有效的方法。
The difference between before and after of the ISO standard running have obvious statistical significant.
有关质量目标在ISO标准运行前后的差异有非常显著性统计学意义。
The difference between before and after of the ISO standard running have obvious statistical significant.
有关质量目标在ISO标准运行前后的差异有非常显著性统计学意义。
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