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词汇
PSTN
释义
PSTN
公用电话网(=Public Switched Telephone Network)
是以传统铜线作为传递媒介的电信局,且是一种传统过时的电话网路,设备复杂而且维修不易,频宽窄,且时常会有许多杂音及停顿,自然就不能如光纤网路那般提供许多附加服务。
随便看
address signal complete
address size
address sort routine
address space
address space identifier
address stop
address stream
address trace
address track
address translation
address translator
add-subtract time
add time
add to storage
adduce
adducent
adducible
adduct
adduction
adductor
add up
add up to
-ade
Adelaide
Adeline
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更新时间:2026/11/8 13:27:51