misc. plaster cast
④All of the 4 methods did not adversely affect the surface roughness of the gypsum casts(P＞0.05).
④两种石膏模型的表面粗糙度在消毒前后均无显著性差异(P＞0.05)。
参考来源 - 石膏模型消毒后物理性能及消毒效果的比较研究The content was as follows:1. A plaster model of normal external nose was scanned five times by laser scanner in different inclined angles and the nasal surface configuration of point-cloud data was reconstructed in reverse engineering software respectively.2.
内容如下： 1．应用三维激光扫描系统采集不同倾斜角度的外鼻石膏模型的表面数据，在PC机中用三维重建软件3-D-scan-now分别重建三维外鼻数字模型。
参考来源 - 汉族外鼻形态三维数据库的建立与计算机辅助形态调整的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
他们做了这副牙的石膏模型作鉴别之用。
They took a plaster cast of the teeth for identification purposes.
他们所做的就是用雕塑的模子制作石膏模型。
What they did was they made plaster casts from molds of the sculptures.
然后他们把这些石膏模型运到帝国各地的工厂，而后以大理石或青铜为材进行复刻。
Then they shipped these plaster casts to workshops all over the empire, where they were replicated in marble or bronze.
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