针对目前铁路车站微机联锁系统存在的不足，提出将CAN总线应用于该系统中的原理与实施方法。
This article mainly discusses how to use CAN field bus to solve the problem of current Railway Computer Interlocking System.
本文介绍一种微机控制的声速与温度关系测量系统。温度测量应用热电偶测温原理，声速测量采用脉冲回波技术。
This paper presents a system which combines the measurement of ultrasonic velocity and temperature based on a single board microcomputer.
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