PSDN
常見例句
- Based on the introduction of the present situation for local PSDN the paper discusses the benefits and technical pian of opening POS service over PSDN.
在介紹本地分組交換數(shù)據網現(xiàn)狀的基礎上，對在該網上開放POS業(yè)務的好処及有關技術方案進行了討論。 - PSDN Public Switched Digital Network
公共交換數(shù)字網 返回 PSDN