Setting up a regional material system needs to take account not only of its macro economic effect, but also of its micro economic interests.

区域物流系统的建立既要考虑其宏观经济效益，也要考虑其本身的微观经济效益。

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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。

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This article gives a brief recount of the automatic deviation-rectifying control system of economic-type multilayer complex machine controlled by single micro-computer.

简述了由单片微机控制的经济型多层复合机的自动纠偏控制系统。

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