Outside market survey adopted questionnaire investigation, case study, deep interview and the study of second-hand materials etc.
外部市场调研主要采用问卷调查、文案研究、深入访谈和二手资料研究等方法；
The case study is a thorough investigation of a single case of behaviors or matters. Its purpose is to explore the causality between these behaviors and matters.
个案研究指对某种行为或事物单一案例的深入调查，其目的是探索行为或事物之间的因果关系。
This thesis deeply has researched the speciality offered and management of high vocational education by way of field investigation, case analysis and method of relative study.
本论文运用实地调查、案例分析和比较研究的方法对高等职业教育专业设置进行了深入地研究。
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