目 录摘 要...................................................................................................................1Abstract................................................................................................................2引 言...................................................................................................................31 调查背景..........................................................................................................41.1 现状分析................................................................................................41.1.1 国内研究现状.............................................................................41.1.2 国外研究现状.............................................................................41.2 调查目的及意义....................................................................................41.2.1 调查目的.....................................................................................41.2.2 调查意义.....................................................................................52 方案与设计......................................................................................................62.1 调查方法................................................................................................62.2 调查设计................................................................................................62.3 调查范围................................................................................................62.4 调查时间................................................................................................72.5 调查内容................................................................................................73 数据分析..........................................................................................................83.1 调查问卷数据分析................................................................................83.2 被调查...
