目的：比较广州地区城乡人群心电图差异并分析其可能的原因。
Objective: To compare the electrocardiogram between urban and rural populations in Guangzhou district and explore its possible causes.
城乡夫妻婚姻稳定度与美满度比较，差异均有统计学意义（P均〈0.05）；
The marriage stability and satisfaction between city and rural were both significantly different(P<0.05).
第二部分对广告环境的相关概念进行阐述，提出城乡广告环境的比较框架。
The second part clarified the basic concept of the advertising environment, and suggests the comparative framework of urban and rural environment of advertising.
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