He didn't stop there-edison went on to design an electric power distribution system that would make the use of light bulbs practical and profitable.

他没有停止。他设计出一种电力分配系统，可以让电灯泡实用并且盈利。

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This is a simple Internet shopping system is one of my e-commerce curriculum design, simple and practical, I hope that we can help.

这是一个简单的网上购物系统，是我电子商务的一个课程设计，简单实用，希望能给大家一点帮助。

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According to the practical system that need improve, I simply introduce software architecture and demonstrate its essentiality of software design, model, descriptive way.

从实际需改进的系统出发，进行软件体系结构的简介，说明其在软件设计中的重要性、模型、描述方法。

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