Based on the direct force, Micro and Macro levels, the evolution trend of MIS is analysed used the TRIZ technology system evolution law, a direction of software is given clearly.

应用TRIZ的技术系统演化规律，从演化动力、宏观和微观三个层次分析了软件产品—管理信息系统的发展趋势，为企业和信息系统开发商提供了明确方向。

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The evolution of technology system is a self-organizing process, because technology system has the condition, dynamic, form and access to self-organizing.

技术系统的演化是一个自组织过程，因为技术系统具有自组织产生和演化的条件、力、式和途径。

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This article introduces the features of soft_starter and converter, the procession of the technology evolution and its applications in water supply system for cities.

介绍软启动器、变频器的特点，技术演变过程及在城市供水系统中的应用。

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