通过对液位系统建模及根轨迹绘制实例的分析，探讨了交互式教学方式的优势。
Through the analysis of the model and of its water-lever control system, it illustrates the advantages of the interactive teaching methods.
它可用在复杂3d场景快速绘制、飞行模拟器、3d动画、交互式可视化和虚拟现实等应用系统中。
Models at multiple level of detail are widely used in real time rendering of complex 3d scene, flight simulator, 3d animation, interactive visualization, and virtual reality.
并在绘制过程中，通过纹理贴图为系统添加背景图片使产生的烟雾更加形象逼真，实现人机交互功能。
In the drawing process, through texture mapping for the system to add background image to create the image of the smoke even more to achieve human-computer interaction.
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