Visibility culling is a fundamental problem in computer graphics as well as a key technique in virtual reality engine.
可见性裁减是计算机图形学的基本问题，也是虚拟现实引擎中的一个关键技术。
Path planning is also one key aspect in virtual reality engine. One of its application automatic navigation of virtual camera is a useful technique, and worth studying.
路径规划也是虚拟现实引擎里一个重点，其中虚拟场景中的摄像机自动导航是一个具有实用价值的研究方向。
The teams recommended a variety of improvements in lightweight composite structures, heat- and stress-tolerant engine materials, and aerodynamic modeling that can help bring their ideas to reality.
这些团队为轻比重的合成材料结构、耐热和耐应力的发动机材料、有助于实现其设想的空气动力学模型提出了不同的改进建议。
In reality, the rules architect would have been very diligent about creating the interfaces between the rules engine and the external and legacy applications.
实际上，规则架构师在创建规则引擎和外部及遗留应用程序之间的接口方面应该非常用心。
In addition to educating people about security risks, he now wants to help citizens defend themselves - if the introspection engine ever becomes a reality.
除了对人们进行安全风险教育，他现在想帮助公民保护自己——如果这个反监听装置能够成为现实的话。
The 3d engine plays an important role in many areas, such as virtual reality, digital city, film advantage, CAD and visual computer science.
三维图形引擎在虚拟现实、数字城市、影视广告、计算机辅助设计和科学计算可视化等各个方面起着十分重要的作用。
Finally rests on now the search engine technology development tendency, the union marketing theory reality, carries on the forecast to the search engine marketing development tendency.
最后依据当今搜索引擎技术的发展趋势，结合营销理论实际，对搜索引擎营销的发展趋势进行预测。
So, building the Marine Engine Room Virtual Reality Simulator is a beneficial supplement of present Marine Engine Room Simulator, and also improves the training quality.
因此，建立船舶机舱的虚拟现实仿真系统，是对现有船舶轮机仿真器很有益的补充，有利于提高轮机员培训的教学质量。
Overall system structure, configurations and description of Marine engine room simulator DMS 2000 adopted virtual reality technique are proposed.
给出研制的采用虚拟现实技术的DMS 2 0 0 0型轮机模拟器的总体结构、配置和系统功能。
This main engine virtual reality system can be in good cooperation with the going marine simulator and it will surely be meaningful to the research and development of a late-model marine simulator.
运用虚拟现实技术对船员实施立体化培训可以与现行的船舶轮机模拟器很好的结合，对于新一代轮机模拟器的研发具有借鉴意义。
This main engine virtual reality system can be in good cooperation with the going marine simulator and it will surely be meaningful to the research and development of a late-model marine simulator.
运用虚拟现实技术对船员实施立体化培训可以与现行的船舶轮机模拟器很好的结合，对于新一代轮机模拟器的研发具有借鉴意义。
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