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。
On the basis of the previous studies, the author carried out an empirical investigation in which 326 non-English majors in Nanjing Normal University participated.
在前人研究的基础上，笔者策划了对大学非英语专业二年级326名文理科及艺术类学生词汇学习策略的实证研究。
On the basis of theoretical analysis, this essay carries out an empirical investigation and case study on disability situation of 400 athletes of 20 events in 4 item groups of Liaoning Province.
在理论分析的基础上，对辽宁省4个项群20个项目400名运动员的伤残情况进行实证调查和个案研究。
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