Adopting the method of case study out of field research, numerous first-hand and vivid materials were collected by on-the-spot observation and semi-structure interview.
采用实地研究中的个案调查方法，利用现场观察和半结构访谈收集了大量的第一手鲜活资料。
Adopting the method of case study out of field research, numerous first-hand and vivid materials were collected by on-the-spot observation and semi-structure interview.
采用实地研究中的个案调查方法，利用现场观察和半结构访谈收集了大量的第一手鲜活资料。
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