The basic working principle, hardware structure and main technical features of a micro computer based control system for transformer economic operation is presented in this paper.
介绍了一种微机双绕组变压器负荷经济运行控制系统的基本工作原理、硬件结构框图和主要技术特点。
This text introduce the working principle, structure and technicality features of one-phase full -electronic pre-payment brain card meter, analysised its economic benefits through use it.
介绍了全电子式智能卡预付费电度表的工作原理、结构及技术特性， 通过实例分析了使用它所带来的经济效益。
Proceeding with the interdependence existing between industry structure and economic growth, this article explored the systematic features of economic growth.
本文从产业结构与经济增长的内在依存关系入手，探讨了经济增长的系统性特征。
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