swm spectral wideth modulation的意思|示意

谱宽调制 ... 谱宽 spectral width; spectrum width 谱宽调制 swm spectral wideth modulation 宽度 width; breadth; duration 宽度十米 ten metres in width; 领海宽度 the extent of the territorial sea; 标准宽度 a standard width; 宽度不一 (in) various widths; of different breadths; 它的宽度为5英尺。 it is five feet in width. 这些钢琴的宽度是不一样的。 these pianos are of different widths ...