... three-dimensional modelling 三维模拟 three-dimensional part 立体部件 three-dimensional vector rate 三维向量运算率 ...
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Based on the part surface errors and fixture setup errors, locating error model of three-dimensional part is built.
基于定位点处的尺寸偏差，建立了三维零件的定位误差模型。
After analysing the traditional position and constraint matrix, a judgement criterion of deterministic location for two-dimensional part and three-dimensional part has been given.
通过对定位矩阵的分析，提出了二维零件和三维零件确定性定位判断准则。
One primary step of the reverse engineering is the collection of three-dimensional data of the part surface.
实现逆向工程中的一个必要步骤是进行零件表面三维数据的采集。
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