多项选择题
Select boards allowing optical protection from the following options. ()
A.OP
B.OPCS
C.OPMS
D.SWE
E.OPM
F.OMCP
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相关考题
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单项选择题
下面那种技术可改善接收机误判率()
A.FEC编码
B.ERZ调制技术
C.DRA
D.自适应接收电平调制 -
问答题
简述EDFA在应用中的注意事项? -
多项选择题
elect boards which may be applied to either the ZXMP M800 (2M monitoring system), ZXMP M600 or ZXWM M900 system. ()
A.NCP
B.OSC
C.GEM
D.SRM
E.OP
