然而，受被测产品的定位、尺寸、障碍处理、表面物理属性、变形等因素的影响，三坐标测量数据不能直接用于逆向造型。
However, CMM data can not be used directly in the modeling because of the orientation, dimension, obstruction handling, superficial physical property and distortion of the products be measured.
这些斗争的故事还告诉学生科学家们是如何处理这些障碍的。
These stories about struggles also told students how the scientists dealt with these obstacles .
学生们应该更多地关注这些科学家如何处理他们一路上遇到的障碍。
Students should focus more on how these scientists dealt with the obstacles they met along the way.
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