DIN ISO 17123-4:2017
光学和光学仪器 测试大地测量和测量仪器的现场程序 第4部分:电光测距仪(反射器的 EDM 测量)(ISO 17123-4:2012)
Optics and optical instruments - Field procedures for testing geodetic and surveying instruments - Part 4: Electro-optical distance meters (EDM measurements to reflectors) (ISO 17123-4:2012)