基于GIS的西双版纳边境地区防疫视频监控点部署方法
李益敏, 杨一铭, 赵志芳, 吴博闻

GIS-based study on the deployment of video monitoring points for epidemic prevention in the Xishuangbanna border area
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图8 视频监控选址点视域分析
Fig.8 View analysis of video surveillance site selection