PSDN
常见例句
- 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.
在介绍本地分组交换数据网现状的基础上，对在该网上开放POS业务的好处及有关技术方案进行了讨论。 - PSDN Public Switched Digital Network
公共交换数字网 返回 PSDN