方法：通过自填式问卷调查12个县内所有乡村医生。
Methods: All village doctors in 12 counties were surveyed with questionnaire.
方法采用分层整群抽样方法，对调查对象进行无记名自填式问卷调查。
Methods Female college students were sampled by cluster sampling and investigated by using questionnaire survey on anonymous basis.
方法对西安市一所综合性大学的1 500名本科生进行自填式问卷调查。
Methods 1 500 undergraduate students in a comprehensive university in Xi an city were investigated with a self-filled questionnaire.
方法在查阅相关资料的基础上，设计自填式问卷调查表对调查对象进行现场调查。
METHODS on the basis of certain references, an questionaire was designed to survey on site.
方法采用自填式问卷调查全省市级及县级疾病预防控制机构和医疗机构网络直报工作人员。
Methods The personnel for HIV/AIDS case online reporting in the municipal-and county-level CDCs and medical institutions in Jiangxi were surveyed by self-filling questionnaire.
方法采用自填式问卷调查全省市级及县级疾病预防控制机构和医疗机构网络直报工作人员。
Methods The personnel for HIV/AIDS case online reporting in the municipal-and county-level CDCs and medical institutions in Jiangxi were surveyed by self-filling questionnaire.
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