GB/T 30170.2-2016地理信息基于坐标的空间参照第2部分:参数值扩展国家标准
英文:Geographic information—Spatial referencing by coordinates—Part 2: Extension for parametric values GB/T 30170.2-2016介绍...
英文:Geographic information—Spatial referencing by coordinates—Part 2: Extension for parametric values GB/T 30170.2-2016介绍...