方法通过对数千例患者于各种环境下进行X线摄影，总结该系统在操作过程、图像处理等方面的优缺点。
Methods They pass through the thousands of patients on a variety of environments X-ray photography, summing up the system in operation, image processing, and so on advantages and disadvantages.
讨论了几种颜色模型在舌像图像处理方面的各种优缺点及适用情况。
This paper discusses merits and disadvantages and applications about several color models.
介绍了吡啶氯化物分类、合成进展，分析了不同的合成路线之间的优缺点，并简介了其在医药、农药、香料、橡胶和染料方面的应用及预测。
Various methods for the preparation of chloropyridines were reviewed. The applications of chloropyridines in the fields of pharmaceuticals, agrochemicals, flagrances, rubber and dyes were described.
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