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词汇
HFC
释义
HFC
光纤同轴混合有线电视网路(=Hybrid Fiber-Coaxial)
老一代的有线电视网路只采用同轴电缆,而新一代的有线电视网路为了减少系统噪声,从资料转发器到用户端附近的光节点采用光纤,从光节点到用户端则采用同轴电缆。从资料转发器到光节点通常采用星形的网路架构,从光节点到用户端则采用树形的网路架构。
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issei
ISSN
ISSS
issuable
issuance
issuant
issue
issue
issue broker
issue by tender
issued capital
issued retrospectively
issued stock
issue house
issue price
issuer
issuer
issuing bank
issuing date
issuing house
issuing point acceptance credit
-ist
IST
Istanbul
ISTB
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更新时间:2026/6/19 18:40:44