问卷有效率的翻译是：什么意思

问卷有效率

Questionnaire efficiency

例句：

• 本研究采便利之抽样方式，共计发放问卷200份，得有效问卷179份，回收有效率为89.5%。

  Based on convenience sampling in this research, there were 200 questionnaires distributed and a total of 179 of valid samples were collected.
                     
                                                                                 
  

• 结果：剔除回答不完整或怀疑不真实的问卷，获得内容详实问卷621份，有效率为77.6%。

  RESULTS: Questionnaires with uncompleted answers or suspected unreal answers were excluded. 621 questionnaires with detailed content were collected with the 77.6% effective rate.
           

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