In electric power system, Digital Program Controlled Exchange has been used broadly because communications requests high reliability.
在电力系统中，由于对通信的可靠性要求较高，因此程控数字交换机正在得到广泛的应用。
According to the characteristics of program controlled interface in low voltage programmable power supply, the design principles of PC bus board in programmable power supply are described.
根据低压程控电源程控接口的特点，阐述了程控电源PC总线控制板卡的设计原理。
The present invention has small volume, large output power, less distortion in output wave form and high efficiency and is esp. suitable for large program controlled exchanger.
本发明体积小，输出功率大，输出波形失真小，效率高，特别适合用于大型局用程控交换机。
The present invention has small volume, large output power, less distortion in output wave form and high efficiency and is esp. suitable for large program controlled exchanger.
本发明体积小，输出功率大，输出波形失真小，效率高，特别适合用于大型局用程控交换机。
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