非机械专业，到现场实施无从下手，于是搞到了这份系统图，以便学习研究。-Non-mechanical professional, to the site can not do this, then get the system map, study and research.

绘制中国地图，并根据站点位置信息标注站点。-Draw a map of China, and marked according to the site location information site.