综合利用三维实体建模技术与数据库技术，在计算机仿真模型中，构建了包括毛坯、刀具、夹具及机床等部件的“真实”数控加工仿真环境。
The nc machining simulation environment, including roughcast, tools, fixture and machine tool modeling, is constructed in computer by combining three-dimensional entity modeling and database method.
采用采矿特征库进行矿山三维建模，可极大地降低矿山工程人员的技术要求，显著地简化矿山建模的过程，提高矿山实体建模的速度。
Adopting the mining feature library greatly reduce the technique requirement on mining engineers, obviously simplify the mine modeling process, thus greatly enhance the speed of solid mine modeling.
借助MDT三维实体建模系统和面向对象的编程技术实现特征建模的系统原型。
Finally, the system prototype for the feature modeling is realized in the MDT system.
特征技术是三维几何建模领域中继实体模型技术后的又一个重要里程碑。
Features 3d geometric modeling technology is the area of solid model relay technology is another important milestone.
研究了三维动态实体模型建模技术和数字开采设计技术，实现了数字开采软件平台。
The study also touches upon the modeling technology of tridimensional dynamic entity and design technology of digital exploration, which provides software platform for the digital exploration.
重点介绍了三维实体的建模方法、场景驱动及视点变换技术。
The means of modeling 3d objects, scene driving and viewpoint translation are introduced especially.
重点介绍了三维实体的建模方法、场景驱动及视点变换技术。
The means of modeling 3d objects, scene driving and viewpoint translation are introduced especially.
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