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介绍了包装机械计量系统微机控制的结构原理，及系统的软、硬件，分析了系统的误差来源，提出了减少误差提高精度的方法．
This paper introduces the principle of microcomputer control of packaging machinery metering system, as well as the software and hardware of the system, analyzes the source of error and puts forward a method to reduce the error and improve the accuracy.