Is an empirical investigation conducted to provide stakeholders with information about the quality of the product or service under test.
是一种以观察和实验为依据的调查过程(empirical investigation)，该过程以测试为手段，为干系人提供产品或服务的质量信息。
The enterprise is always treating the quality of the machine as life, treat the service as the soul, and take the contents of the customers as the only standard to test the company.
公司始终把机器的质量视为企业的生命，把服务当作企业的灵魂，把客户对公司的满意度作为检验企业的唯一标准。
Through experimentation and test, the surface quality of the machined pieces raised, while the service life of the pieces prolonged.
通过试验，证实了经超精加工后的表面质量有所提高，相应也增加了零件的使用寿命。
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