It seems like some of them apply to mechanical, electrical and system engineering.
似乎有一些观点是适用于机械，电子和系统工程的。
The electricity amount & electrical fee management system has been developed with Software Engineering method.
电量电费管理系统是用软件工程的方法设计并实现的。
The electricity amount & electrical fee management system has been developed with Software Engineering method.
电量电费管理系统是用软件工程的方法设计并实现的。
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