This article analyses the features of voice technology in ATM, Frame relay and IP network. The technical factors should be considered as you design an integrated voice and data network.

分析atm、帧中继和IP在话音技术方面的各自特点，提出在设计一个集成化的话音和数据网络时应注意的技术因素。

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The achievements of microcomputer-based relay protection technology are summarized and its advantages compared to the traditional relay protection are pointed out.

概述了微机继电保护技术的成就，指出其与传统的继电保护相比所具有的优点。

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The development trend of the relay protection technology of the power system is to computerization, networking, intelligent, protect, control, measuring and communication integrate.

电力系统继电保护技术的发展趋势是向计算机化，网络化，智能化，保护、控制、测量(计量)和通信一体化。

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Back then many companies ran a free, open-source e-mail relay technology but ended up spending more than they thought they would making the stuff work.

FORBES: You Get What You Pay For