This article also does research from theoretical research to the practice method on disease checkout and reinforcement of old bridge.

尢其是对旧桥加固、病害处治，从理论研究到实践方法上都作了进一步的研究。

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This article introduces the research of the technique of automatic checkout system of passenger traffic on bus, and the establishment of corresponding software mathematical model.

对客车的旅客运输量自动检测系统技术进行了研究，建立了与之相适应的软件数学模型。

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Because pitch deviation measuring technology is very mature, the main research objective of this thesis is laid on the checkout of profile deviation and helix deviation.

因齿距偏差测量技术已经很成熟，所以本论文的在位测量主要定位于检测齿廓偏差和螺旋线偏差。

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