![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
[单选题]
基于C波段的40波系统,波长间隔是多少?()
A.300GHz
B.200GHz
C.100GHz
D.50GHz
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
A.300GHz
B.200GHz
C.100GHz
D.50GHz
第4题
第7题
A.+/-5GHz
B.+/-10GHz
C.+/-12.5GHz
D.+/-20GHz
第8题
A.192.1THz—196.0THz
B.192.15THz—196.05THz
C.187.0THz—190.9THz
D.186.95THz—190.85THz
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