YD/T 5092-2000.Interim Provisions of Engineering Design for the Long-Distance Optical Fiber Cable Wa...
YD通讯标准
YD通讯标准
YD通讯标准
YD/T 5092-2005 长途光缆波分复用(WDM)传输系统工程设计规范
YD/T 5092-2005.Specifications of Engineering Design for Long-Distance Optical，Fiber Cable Wavelength...
YD通讯标准
YD/T 5092-2010 波分复用(WDM)光纤传输系统工程设计规范
YD/T 5092-2010.Design Specification for Wave length Division Multiplexing (WDM) Optical Fiber Transm...