中华人民共和国行业标准全球定位系统城市测量技术规程Technical Specification for UrbanSurveying Using Global Positioning SystemCJJ73—2025Xxxxx 北京目 录1 总 则..........................................................................................................................................12 术语、符号和代号......................................................................................................................22.1 术 语...............................................................................................................................22.2 符 号...............................................................................................................................42.3 代 号...............................................................................................................................63 基本规定......................................................................................................................................83.1 精 度 等 级........................................................................................................................83.2 坐 标 系 统......................................................................................................................103.3 时 间...............................................................................................................................114 城市连续运行基准站网（CORS）建设..................................................................................124.1 一般要求.........................................................................................................................124.2 CORS 基准站网的布设..................................................................................................134.3 基准站建设.....................................................................................................................144.4 通讯网络建设..........................................
