利用VB开发的基于PC机的列车空调压缩机测试系统，采用串口通讯技术进行数据采集与分析。
With the application of serial communication technology in data acquisition and data analysis, the compressor testing system based on PC for the train air conditioning was developed with VB.
采用激光二维扫描技术，实现了列车动态横向振动偏移量的测试，易于实施，数据准确，对制定合理的站台界限提供参考数据。
The planar laser scanning technique described in this paper realizes the measurement of train dynamic transversal vibrations offset easily and exactly.
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