vpdn meaning in Chinese
方式有专线接入和拨号接入
基于拨号的虚拟专用网
网上申报
网中网
虚拟专用拨号网络
Examples
- Design and research of police mobile security system based on vpdn
的移动警务安全保障系统设计与研究 - Research on automatic monitor - controlling system of pollutant source based on vpdn
的污染源自动监控系统研究