By literature review and focus group discussion, qualitative study justifies the quantitive result.

通过文献检索和焦点组访谈等定性研究方法,印证了定量调查的结果.

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It mainly included Focus Group Discussion, Participatory Observation, Delphi technique, Personal Interview, Overall Survey and Sampling Survey , Typical Survey, Capture - Mark - Recapture Method, et al.

主要包括专题小组讨论, 参与性观察, 德尔菲法, 个体访谈; 普查与抽样调查, 典型调查, 捕获 - 标记 - 再捕获法.

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