指定: appoint; assign; allocate; a ...用户: user; subscriber; consumer; ...间: space in between; opening的: 4次方是 The fourth power of 2 i ...专用: special use; for a special p ...通信: communication; communicate b ...用户间的连接: user-to-user connection指定用户: this user专用通信网: private communication network; private network; private wire network; ptn private telecommunication network指定用户测试: designated subscriber test进程专用通信: process specific communication专用通信号码: ptn private telecommunication number专用通信技术: pct private communications technology专用通信线路: dedicated communication line专用通信信道: private communication channel专用通信业务: dedicated communication service专用通信座席: special communication position各地用户间通信: intersite user communication指定用途,专款专用: earmark点间专用通信网: dedicated network专用通信信道, 专用信道: private communication channel个人通信网，专用通信网: personal communications network pcn用来给指定用户发送信息: write指定用户加入这间会议室。: message.specify.users.to.join.conference网际协议虚拟专用通信网: ipvn internet protocol virtual private network
