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电话交换
1、switching costs───转换成本
2、telephone───n.（美）电话；电话机；电话耳机；vt.打电话给…；vi.打电话
3、circuit switching───线路交换，线路转接
4、telephone exchange───电话局；电话交换台
5、packet switching───封装交换；包交换技术
6、switching antidepressants───转换抗抑郁药
7、telephone contact───电话LianXiFangShi
8、switching side───开关侧
9、switching───v.转换（switch的ing形式）；n.[电]开关；转换；整流；配电
1、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XiTong (P B X)。
2、This article is proposed to develop a new type of digit programme-controlled telephone switching board which is based upon the CAN bus to replace the old automatic telephone switchboard.───本文提出研制新型的基于CAN总线的数字程控交换机替换原有的全电子式自动电话交换机。
3、Thus, in the by ways of the telephone switching network, the first electrical self was born.───于是，在电话交换网络的通道里，第一个电学意义上的自我诞生了。
4、In 1993 telephone switching systems increased by about 10 million lines, twice the capacity of Hongkong.───1993年，电话交换了约10万线增加XiTong，两次香港的能力。
5、An IP PBX is telephone switching equipment that resides in a private business instead of the telephone company.───IPPBX是私人公司中的电话交换设备，而不是电话公司中的电话交换设备。
6、Private Automatic Branch Exchange (PABX) is an automatic telephone switching system within a private enterprise.───专用自动交换分机 (P A B X)是单个企业内部的自动电话交换XiTong。
7、But there is no report of use the CAN bus to the digit programme-controlled telephone switching board.───但是还没有将CAN总线应用于船用数字式程控交换机的报道。
8、design methods given here have been successfully implemented in a Chinese-developed SPC digital telephone switching system.───设计方法已成功地应用于国产程控数字电话交换机。
9、The development trends of integrated circuits used in SPC telephone switching systems, system architecture, features and requirements of the switching systems are discussed.───本文对程控数字电话交换机所用的集成电路器件，交换机的XiTong结构以及性能要求的发展趋势进行了讨论。
1、This paper presents a basic method for establishing the simulation models of a telephone switching system by using GPSS-F simulation language.
2、Private Automatic Branch Exchange (PABX) is an automatic telephone switching system within a private enterprise.
3、In a telephone switching system, inability to make a connection or obtain a service because the devices needed for the connection or service are in use.
4、Presently, the algorithm has been successfully implemented in the large-scale SPC telephone switching system DS-30 developed by China.
5、The Mobile Switching Center is sometimes called a mobile telephone switching office (MTSO), since it is responsible for connecting all mobiles to the PSTN in a cellular system.
6、Military communication network is a telephone switching network organized by the army deployed and the war zone numbered list.
7、The design methods given here have been successfully implemented in a Chinese-developed SPC digital telephone switching system.
8、This article is proposed to develop a new type of digit programme-controlled telephone switching board which is based upon the CAN bus to replace the old automatic telephone switchboard.