In the "text-to-scene" research, which is an area in combination of natural language understanding and virtual scenes generating, the key is to understand the spatial concepts.
在把自然语言理解与虚拟场景生成结合起来的“文景转换”研究中，对空间概念的理解是关键。
Studying and implementing the real-time rendering of the virtual scenes.
研究与实现了真实感场景的实时渲染。
A real challenge, however, consists in building active VR applications that allow dynamic composition of virtual scenes.
然而，现实中的一个挑战在于构造主动VR应用，这种应用允许动态合成虚拟场景。
There always are some semi dynamic objects in virtual scenes for enhancing realistic immersion, such as trees, flame and smoke.
为了增强视觉沉浸感，虚拟场景中存在着大量的树木、火焰、烟尘等半动态对象。
Virtual experimental teaching software simulates physical experiment by abstracting kinds of instrument, building virtual scenes and realizing EDA.
虚拟实验教学软件从真实实验中抽象出各种元器件，组建虚拟场景，实现电子设计自动化(EDA)。
We also propose a series of optimization schemes for improving present common problems of virtual scenes established.
针对所建立的动态模型，提出了改善目前虚拟场景中所存在的普遍问题的一系列优化方案。
The experimental results demonstrate that the presented method can efficiently fuse the motion of characters with virtual scenes.
实验结果表明，提出的方法能够真正有效地实现同一场景下角色与场景协调的运动融合。
Panorama is a very useful image-based rendering technique, because of its small data size to represent virtual scenes, and high rendering speed.
全景图是基于图像绘制技术最实用的技术之一，因为它在表示虚拟场景时数据量不大，绘制速度较高。
The realization of our 3D engine is mainly consisted of three contents: reading 3D data file, rebuilding 3D scenes and eyes moving in the virtual scenes.
我们实现的3D引擎主要包括三方面的内容：3D数据文件的读取，三维场景的重建，视点在场景中的运动。
Through linking the virtual scenes with database, users can save the operation records. Teacher can check and evaluate according to the operation records.
通过将虚拟场景与数据库相连，可以保存用户的所有操作记录，以供教师对用户的操作情况进行检查及评判。
The critical technique of virtual reality, the modeling transformation in virtual scenes and the hidden technique on 3d objects are discussed in this thesis.
本论文对虚拟现实中的关键技术、虚拟场景的建模技术及三维形体消隐技术进行了探讨。
The critical technique of virtual reality, the modeling transformation in virtual scenes and the hidden technique on 3d objects are discussed in this thesis.
本论文对虚拟现实中的关键技术、虚拟场景的建模技术及三维形体消隐技术进行了探讨。
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