光谱宽度 meaning in English

spectrum width

Fibre optic communication subsystem basic test procedures - test procedures for general communication subsystems - central wavelength and spectral width measurement
光纤通信分系统基本试验程序.普通通信分系统试验程序.中心波长和光谱宽度测量
Fibre optic communication subsystem basic test procedures - part 1 - 3 : test procedures for general communication subsystems - central wavelength and spectral width measurement
光纤通信分系统基本试验程序.第1 - 3部分:一般通信分系统的试验程序.中心波长和光谱宽度的测量