多项选择题
The WDM components making up a WDM system should meet the following requirements .（）
A.插入损耗低 Low insertion loss B.具有良好的带通特性 Excellent bandpass property C.温度稳定性好 Performance stability in spite of temperature change D.复用通路数多A number of multiplexing channels E.具有较高的分辨率 High resolution F.几何尺寸小 Small size
多项选择题 ZXMP M800 can be applied to a（）channel system.
多项选择题 A ZXWM M900 system provides several wavelength stabilizing methods, including （）.
多项选择题 he ZXWM M900 system transmits network management information using specified monitoring channel at a rate of（）.
