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现在线路工人可以借助巡线车上配备的笔记本电脑查询数字地图及地理信息系统(GIS),确定输电网络各设备的准确定位。美国LEC电气公司开发的GIS含有5万个用户的信息,其公司的120辆施工车上均安装了配有GIS的笔记本电脑,每个线路工作组的工作人员均可使用。
Line workers can now use digital computers and geographic information systems (GIS) that are equipped with laptops on the line to determine the exact location of the equipment in the transmission network. The GIS developed by LEC Electric Company in the United States contains information about 50,000 users. The company’s 120 construction vehicles are equipped with GIS-equipped laptops and can be used by staff of each line working group.