题目内容
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提问人:网友tmqiloveu
发布时间:2022-01-07
[主观题]
【简答题】How to design optical fiber?
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B、A communication mode in which optical waves are used as carriers and optical fibers are used as transmission media.
C、A communication mode in which optical waves are used as carriers and cables are used as transmission media.
D、A communication mode in which laser is used as carriers and optical fibers are used as transmission media.
B、Ultraviolet light
C、Infrared light
D、X-ray
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