GB/T 9771.2-2020通信用单模光纤第2部分:截止波长位移单模光纤特性标准
英文:Single-mode optical fibres for telecommunication—Part 2: Characteristics of a cut-off wavelength shifted single-mode ...
英文:Single-mode optical fibres for telecommunication—Part 2: Characteristics of a cut-off wavelength shifted single-mode ...