单项选择题
A.1 B.2 C.3 D.4
A.polar mode dispersion B.polarization mode dispersion C.polarization maintaining dispersion D.polarized mode dispersive
A.材料色散 B.模式色散 C.波导色散 D.偏振模色散
A.偏振模色散 B.模式色散 C.色度色散 D.时延色散
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