试题详情
- 单项选择题Which device creates an OEO conversion?()
A、amplifier
B、attenuator
C、regenerator
D、light emitter
E、optical switch
F、optical receiver
G、fiber-optic cable
- C
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A、amplifier
B、attenuator
C、regenerator
D、light emitter
E、optical switch
F、optical receiver
G、fiber-optic cable
关注下方微信公众号,在线模考后查看