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本文所介绍的固态外部存储器是一种以半导体ＲＡＭ芯片为存储介质，由单片机控制的计算机外存设备，它具有磁盘的功能，能工作在抗粉尘，抗潮湿，抗震动和防爆等环境的工业控制现场，完成磁盘所不能胜任的工作
The solid-state external memory introduced in this paper is a computer external storage device controlled by a single-chip microcomputer using a semiconductor RAM chip as a storage medium. It has the function of a magnetic disk and can work in industries such as dust resistance, moisture resistance, vibration resistance and explosion protection Control the scene to complete the work of the disk can not do