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光纖

出自維基百科,自由嘅百科全書
光纖

光纖,全名光導纖維,係可以傳導嘅纖維,物料係幼過頭髮嘅透明玻璃或者塑料,係現代通訊科技好常用嘅設備,快過同埋穩定過用銅線英文Copper conductor,傳送嘅訊息亦比較難俾外邊嘅人抄到出嚟。

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