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1·Investigate vehicle four wheel alignment parameters variation issue in plant.

调查厂内车辆四轮定位参数变差问题。

2·Four-wheel alignment, as a basic equipment of vehicle inspection and test is also the core equipment to measure and calibrate the parameter of wheel alignment.

作为汽车检测的基本设备—四轮定位仪，是汽车检测维修行业的核心设备，用于测量和校准汽车的车轮定位参数。

3·Through the site-testing, the designed four-wheel alignment is proved to be stable, precise, of lower cost and of easy operation, authorized by the technical support.

经过现场测试，证实了设计的四轮定位仪工作稳定，测量精度较高，并且具有数据稳定、操作简便、成本低等特点，得到了相关厂家技术人员的认可。

4·The four-wheel alignment instruments, which adopt computer vision technique, can realize easy, fast and exact alignment measurement.

基于计算机视觉技术的四轮定位仪可实现汽车车轮定位参数的简单、快速、精确检测，具有良好的应用前景。