hum and noise 中文意思是什麼
hum and noise
解釋
哼雜聲,交流噪聲-
Light transmission through optical fibres for communication and signalling. fibre optic ( f / o ) transmission is immune to most electromagnetic interference and common mode noise ( hum )
利用光導技術來傳送信號的光纜。用光纖傳輸可免受電磁場和普通噪音的干擾。
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