The main method of this research is community study, and adopting participant observation, questionnaire investigation and interview survey in practice.
本研究主要使用社区研究的方法，在具体实施过程中采用参与观察、问卷调查与访谈相结合的方式。
In the second half of 2008, more than 20% of U.S. households had only wireless service, according to a National Health Interview Survey.
《美国国家健康访问调查》的结果显示，在2008年下半年，超过20%的美国家庭只使用无线业务。
Research methods are mainly oral report, interview, survey, cognitive componential analysis, structural equation modeling.
研究方法主要有口头报告法、访谈法、问卷调查法、认知成分分析法、结构方程模型等。
Research methods are mainly oral report, interview, survey, cognitive componential analysis, structural equation modeling.
研究方法主要有口头报告法、访谈法、问卷调查法、认知成分分析法、结构方程模型等。
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