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1)  CAD three-dimensional model
CAD三维实体模型
2)  3D CAD model
三维CAD模型
1.
3D CAD model is the base of no drawing manufacturing,so the attributes information of components will be the data source for building the bill of material(BOM) for the manufacturing.
三维CAD模型是无图纸制造的基础,其零部件属性信息是无图纸制造中BOM生成的数据源。
2.
A direct slicing approach from 3D CAD models is proposed by studying the data structure of SolidWorks solid models and the method of obtaining geometric and topological information from SolidWorks CAD models.
在分析SolidWorks软件平台下CAD模型数据的内部表达方法以及拓扑信息和几何信息提取方法的基础上,研究三维CAD模型直接分层技术。
3.
To overcome the limitations of the defect tooth prosthesis method in traditional fabrication,based on series of sliced images of tooth,a set of feasible reconstruction methods of 3D CAD models in PhotoShop,AutoCAD,SURFACER and Pro/Engineer were presented,including information processing,information transferring,surface modeling and solid modeling.
为克服传统的牙齿缺损修复存在的缺陷,提出了一套基于牙齿断层图像数据集,利用商业软件PhotoShop、AutoCAD、SURFACER、Pro/Engineer进行牙齿三维CAD模型重构的实用方法。
3)  solid model
实体模型(CAD)
4)  CAD solid model
CAD实体模型
1.
Finally,a software is developed,by which the tool path and NC code of shoe last processing can be generated from the shoe last CAD solid model directly.
该系统首先采用立体视觉技术研制开发了鞋楦(脚型)的三维CAD实体模型反求装置,然后通过建立实体模型数据库,实现对鞋楦或脚型实体模型的数字化管理。
5)  3D CAD Solid technogy
三维CAD实体技术
6)  3D CAD digital model
三维CAD数字模型
1.
Let the two dimensional picture be transformed into the data of 3D points cloud by the use of data processing software,and then by adopting the computer 3D reconstruction technique the 3D CAD digital model of thighbone according to the points cloud data was constructed.
通过螺旋CT扫描人体股骨关节,得到二维断层图像数据,利用数据处理软件将二维图片转换成三维点云数据,继而依据点云数据,采用计算机三维重构技术,构建了股骨的三维CAD数字模型。
补充资料:CA
    是以精制短棉绒经醋酸活化,在硫酸催化剂存在下,用醋酸和酯酐混合液使之乙酰化,然后加稀醋酸水解到所需的酯化度的产物。按照酯化度不同,可分为一醋酸纤维素、二酯酸纤维素、三醋酸纤维素。酯化度不同而有不同的性质和用途。酯化度大小对溶解性能有很大影响,酯化度降低则在极性溶剂中的溶解度增加,但在非极性溶剂中溶解度减小。醋酸含量60%-61.5%的三醋酸纤维素,因含羟基少,对水不敏感,可溶于二氯甲烷等。醋酸含量51%-58%的二醋酸纤维素为一般工业上用的醋酸纤维素,可溶于丙酮。三醋酸纤维素和
    二醋酸纤维素为白色无定形屑状或粉状固体,无明显熔点,220 ℃开始软化。相对密度1.27-1.32,吸水性(24h)1%-4%。
    醋酸纤维素可用于配制溶剂型胶粘剂,粘接眼镜、玩具等塑料制品。贮存于阴凉、通风、干燥的库房内。防雨、防晒。
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