实验表明，用该方法对齿形链链板的几何尺寸测量和圆度误差评定是可行的。
Experiment shows that measurements on geometrical size and evaluation on roundness error of the tooth shape chain board by this measurement method are feasible.
针对组合形状零件几何尺寸测量中的关键问题—轮廓识别，提出了一种基于弧长的轮廓特征点提取的方法。
An approach to extract feature points on the boundary based on length of arc is proposed in view of the key problem of measuring composite-shape parts.
微结构三维几何尺寸测量作为微检测技术的一个重要组成部分，其高度的测量，尤其是厚度的测量非常难实现。
As the part of micro-detected technology, the 3d geometrical size measure of micro-structure is of great importance, which is composed of length measure, width measure and depth measure.
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