VRML-based VR technology has been a hotspot in recent years. This technology has integrated many core technologies involved in computer graphics, multimedia and sensor.

基于VRML的虚拟现实技术近年来在技术研究领域十分活跃，它汇集了计算机图形学、多媒体技术和传感器技术等多项关键技术。

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Multimedia technology is the use of computer technology to text, voice, graphics and images, and other media comprehensive integration technology.

多媒体技术是指利用计算机技术把文字、声音、图形和图像等多种媒体综合一体化的技术。

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Visual simulation technology is an important branch of computer simulation technology, brings together computer graphics, multimedia, artificial intelligence and many other key technologies.

视景仿真技术是计算机仿真技术的重要分支，汇聚了计算机图形学，多媒体技术，人工智能等多项关键技术。

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