Shanghai broadband free electron laser(FEL) user facility will be executed in three stages:start stage, earlier stage and later stage.
上海宽波段自由电子激光用户装置将分为三个阶段实施：起步阶段、前期阶段和后期阶段。
Extending subscriber line using IP network;
通过IP网络延伸电话用户线
"Well, can the mobile phone users communicate with any fixed network user?"
移动电话用户能与有线网络的用户通话吗?
The number of national mobile telephone users increased by 49.748 million for a total of 443.154 million.
而全国移动电话用户新增4974.8万户，达到44315.4万户。
There were 34.069 million cellular subscribers, 7.036 million more than the end of 2001.
移动电话用户达３４０６．９万户，比２００１年底净增７０３．６万户。
China now ranks second in the world in terms of the number of subscribers for both fixed and mobile telephones.
中国固定电话用户与移动电话用户的规模均居世界第二位。
Telephone users will be facing higher bills next quarter.
电话用户下季度将面临电话费涨价的问题。
By the end of 2000, there were 230 million telephone subscribers nationwide, including 85.26 million subscribers of mobile phones, second only to the United States;
到２０００年底，全国电话用户已达２．３亿户，其中移动电话用户８５２６万户，仅次于美国；
Total telephone users in China will reach 500 million by 2005. That is an availability rate of 40%.
到２００５年，全国电话用户将达到５亿户，普及率约４０％。
The numBer of phone suBscriBers increased last month.
上个月电话用户数增加了。
reverting call switch
同线电话用户间互叫机键
There are many private subscribers in the city.
该市有许多私人电话用户。
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
Intranet Telephony: Will your LAN Replace Your PBX?
内部网电话：局域网会替代用户电话交换机吗？
Intranet Telephony: Will your LAN Replace Your PBX? (2)
内部网电话：局域网会替代用户电话交换机吗？（2）
A subscriber to a telephone party line.
对方合用电话线路的用户
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。
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）。
call indicator exchange
有被叫用户指示器的电话局
Subscriber line signalling system for telephone automatic switching network
GB3378-1982电话自动交换网用户信号方式