The two groups Switch from two sets of mechanical manipulation of a sharp track .

同时衔接三股道。由两组转辙机械操纵两套尖轨。

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The theory of vision technology refers to image manipulation, pattern recognition, artificial intelligence, mechanical construction and etc.

视觉技术的理论涉及图象处理﹑模式识别﹑人工智能﹑机械结构等诸多方面。

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During the process of decomposition of MRP material in mechanical processing industry, complicated arithmetic problems such as the formula manipulation are inevitable.

在机械加工行业的MRP物料分解过程中，不可避免会遇到公式处理等复杂计算问题。

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