... 瓣，轮时瓣，凸轮凸部 lobe 定位尺寸 locating dimension 定位形态 locating feature ...
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Therefore, based on the velocity composition law of particle movement, a mathematical model and its algorithm for the locating error are firstly established to analyze the linear dimension.
为此，基于质点运动的速度合成原理，首先建立了线性尺寸的定位误差通用模型及其算法。
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