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介绍了如何根据控制对象和工艺要求进行粮库自动控制系统的硬件设计、软件规划和编写，并重点描述了粮库自控系统的工作原理、设计与编程的原则和技巧。
This paper introduces how to design hardware and software of automatic control system of grain depot and software according to the control objects and process requirements. The principle, design and programming principles and techniques of automatic control system for grain depot are described emphatically.