This paper describes a reliable and efficient data concentrating system (DCS) based on the triggers, log tables and an algorithm that can update remote data reliably.

论述了基于触发器、日志表和可靠远程复制数据算法实现的数据集中系统，系统由数据捕获和数据复制两部分组成。

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The major function of family intelligent control system includes family safety alarm, telephone long-range control and infrared concentrating remote control as well as automatic watch control etc.

家庭智能控制系统的主要功能集中在家庭安全报警、电话远程控制、红外集中遥控、自动抄表控制等方面。

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