是指利用计算机技术生成的一个逼真的，具有视、听、触、味等多种感知的虚拟环境，用户可以通过其自然技能使用各种传感设备同虚拟环境中的实体相互作用的一种技术。
三维仿真数字城市 D Virtual Digital City
三维地景仿真 three-dimensional terrain simulation ; three-dimensional landscape simulation
三维电磁仿真软件 ANSYS HFSS ; Ansoft HFSS
三维模型仿真 DeskArtes Sim Expert
三维电磁场仿真软件 Ansoft HFSS
三维有限元仿真 D finite element simulation
三维实时仿真软件 MultiGen Vega
三维重建及仿真内窥镜 CT virtual endoscopy ; CTVE
The paper discussed some essential methods of how to model 3D simulation based on VRML, so improved greatly 3D environments and objects modeling.
本文根据VRML的繁杂性，讨论了基于VRML进行三维仿真环境建模的主要实现方法，从而提高创建三维仿真空间和实体的效率。
参考来源 - 基于VRML三维仿真建模研究—《电脑知识与技术·学术交流》—2008年第20期—龙源期刊网Through a multi-physics coupling software COSMOL building three-dimensional simulation model of petrochemical plants, that demonstrated the feasibility of the system.
通过多物理耦合软件COSMOL建立石化厂区的三维仿真模型,论证系统的可行性。
参考来源 - 基于声传感器网络的爆炸点定位技术与示范系统的研究A 3-D simulation system of the middle route of South-To-North Water transfer project is developed. This system displayed all terrain and buildings in this area.
开发了南水北调中线工程三维仿真系统，将整个中线工程及周边地形地貌在计算机上进行了虚拟再现。
参考来源 - 南水北调中线工程三维仿真系统开发—《南水北调与水利科技》—2007年第2期—龙源期刊网In this paper, makes deep research on the key technology of 3D simulation of forging machine.
本文对锻压机的三维仿真关键技术进行了深入的研究。
参考来源 - 锻压机三维仿真关键技术研究This design successfullycombines the traditional design with the three dimensional simulation and processdynamic simulation design, which shortens design cycle, reduces design cost and fullymanifests the synchronization modern design idea of the design and the manufacture.
运用传统设计、三维仿真设计和动态过程模拟相结合的设计手段，可缩短设计周期、降低设计成本，充分体现了设计与制造同步的现代设计理念。
参考来源 - SiC准一维纳米材料的制备及连续生产纳米材料真空可控气氛炉的设计A brief presentation of visual system emulation technology, common algorithms for 3-D emulation and 3-D emulation graphics library was quoted.
介绍了可视化仿真技术及三维仿真的常用算法与三维仿真图形库。
参考来源 - 织物悬垂三维形态测试仪的软件系统研究与开发·2,447,543篇论文数据，部分数据来源于NoteExpress
采用直接耦合分析方法，对近邻桥基进行降水施工时的动态降水过程进行三维仿真模拟。
Based on the direct coupling analysis method, spatial responses of bridge foundations during precipitation and the dynamic changes of groundwater table are simulated.
针对武隆隧道出口处穿越楼房基础的工程实例，通过合理的简化和假设建立三维仿真模型。
On the study of the engineering practice of excavation of Wulong tunnel under building foundation, the three dimension numerical modeling was established by reasonable simplification and hypothesis.
利用FIRE软件建立了某柴油机螺旋进气道的三维仿真模型，对进气流动进行了CFD模拟计算。
The three-dimensional simulation model of the spiral inlet duct of a diesel engine is created with the FIRE software, and CFD simulation of inlet flow is carried out.
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