本章详尽地描述了这次调查试验的设计和执行，特别是问卷调查的设计。
This part elaborates in detail how this research is designed and conducted, especially on how the questionnaire was designed.
本章详尽地描述了这次调查试验的设计和执行，特别是问卷调查的设计。
This part elaborates in detail how this research is designed and conducted, especially on how the questionnaire was designed.
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