文中提出一种彩管着屏误差的检测方法，设计了以单片机为核心的控制、驱动和数据采集的彩管着屏误差检测电路。
This paper presents a new detecting method of kinescope's landing error, The control and data acquiring circuit based on SCM is designed to measure kinescope's landing error.
单臂电桥测温电路结构简单，但存在误差而难以实现高精度温度检测。
Although single-armed bridge circuit is easy to construct, but is not suitable for high precision temperature detection because of its inner error.
根据此方法定期检测轨道电路的主要参数，在误差允许范围之内判断轨道电路的安全性具有很强的实际意义。
Testing the main parameters of track circuit at interval by this method and estimating the safety of track circuit when error is permitted have strong practical meaning.
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