释义 |
PSDN 基本例句 分封交换资料网路¹⁰⁰ Based on the introduction of the present situation for localPSDNthe paper discusses the benefits and technical pian of opening POS service overPSDN.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。 PSDNPublic Switched Digital Network公共交换数字网 |