By tracing experiment, we review the long distance transportation of green pepper with railway mechanically refrigerated car.

通过跟踪试验，考察了青椒采用铁路机械冷藏车进行长途冷藏运输的情况。

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The experiment verifies the validity of tracing model.

实验验证了跟踪模型的有效性。

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This paper discusses the shortage in the edge tracing system of CAPL, presents a better method to trace edge by the technology of processing image and obtains the satisfied result in the experiment.

本文分析了CAPL 钢带边缘跟综系统中存在的问题，提出应用图象处理技术实时检测钢带边缘的思想并获得满意的实验结果，提出了改进该系统的方案。

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