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1. Thesurface-curvature apparatuswas used to measure the shape of theobject.
表面曲率装置被用来测量物体的形状。
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2. The surface-curvature apparatus is a crucial tool for measuringthe curvature of surfaces.
表面曲率装置是测量表面曲率的关键工具。
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3.The surface-curvature apparatus was used to detect any defects inthe material.
表面曲率装置被用来检测材料中的任何缺陷。