1.
Application of Far East Harris's Dedicated Telephone System to Beijing Subway
远东哈里斯专用电话系统在北京地铁的应用
2.
A private telephone exchange that automatically connects internal "branch" lines to the external circuits of a telephone system.
一种自动地将内部用户线连接到电话系统外线的专用电话交换机。
3.
private telegraph and telephone service
专用电报和电话业务
4.
Use a gateway to call telephones and videoconferencing systems
使用网关呼叫电话和电视会议系统
5.
filter ,carrier-current, for line telegraphic or telephonic systems
载波滤波器,有线电报或电话系统用
6.
Application Research of Tele-Data-Receive System in Power System
电话数据录入系统在电网的应用研究
7.
Professonal Grade, Commercial Grade for Reed Relays, Automotive Applications, Cellular Phone, Proximity Switches, Game and toys, Security System.
用于干簧继电器、车设备、控电话、连开关、具以及安全系统的专业、业等级的干簧开关。
8.
User at the telephone set A desires to place a call through the HF system to distant telephone set D.
位于电话机A位置的用户要通过HF系统拨打长途电话至电话机D。
9.
If not, the call went to the company's in-house telephone switching system, or PBX (private branch exchange).
如果没有，电话就转到公司内的电话交换系统（即PBX，用户电话交换机）。
10.
private automatic telephone exchange
专用自动电话交换机
11.
railway telephone exchange
铁路专用电话交换机
12.
microwave relay system for telephony using frequency-division multiplex
频分多路复用电话微波中继系统
13.
microwave relay system for telephony using time-division multiplex
时分多路复用电话微波中继系统
14.
Wire and Wireless Remote System Based on Telephone
利用电话的“有线+无线”远程遥控系统
15.
Application Analysis of the Signaling System in Telepone Exchange Network;
信令系统在电话交换网中的应用分析
16.
Application of Telephone Fee-counted System by VB 6.0;
用VB6.0开发程控电话计费系统
17.
Application of Conference Call System Based on SIP in Electric Power Corporation
基于SIP的电话会议系统的研究与应用
18.
Designing of the Telephone Subscriber Maintenance and Management System Based on ASP
基于ASP的电话用户维护管理系统设计