...: •面组(quilts):由一个或相连的曲面特征拼接组成 •实体曲面(solid surface):实体特征的表面 •基准平面(datum planes):可用作参照的无限大的曲面 © 2002 PTC 3 曲面基本知识 曲面基本知识 曲面的曲率 曲率可以计算为在曲面任意点处半径的倒数,...
基于24个网页-相关网页
(一)基准面(Datum Planes):此选项用于设定是否显示基准面。当在对话框中 勾选基准面设定之后,接著点选同意(Ok)按钮系统将会显示此基准面,反之 则隐藏...
基于20个网页-相关网页
Datum Planes with Flatness TSU 平面度控制基准面公差叠加
depth datum planes 深度基准面
Biostratigraphic Datum Planes 生物地层基准面
Datum Planes with Perpendicularity TSU 垂直度控制基准面公差叠加
N the horizontal plane from which heights and depths are calculated 基准面 [surveying]
The surface shall be containedbetween two parallel planes 0.1 apart and perpendicular to the datum axis A.
表面必须处在与基准轴线A垂直的两个相距0.1的平行平面之间。
By using this method, not only overelaborate drawing and hand-calculating can be avoided, but also the flatness of four kinds of datum-planes can be assessed quickly and precisely.
此法可避免频琐的作图和手工计算,迅速、准确地对四种基准平面的平面度进行评定。
Results The series free hepatic datum set with transverse, coronal and sagittal planes were obtained.
结果获取无缺损的连续薄层横、冠、矢状断面可视化肝脏图像数据集。
应用推荐