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The design and implementation of three-dimensional virtual experiment system based on graphics engine

In this paper, we focus on the research and development on how to construct a virtual experiment system, with the assisting of a graphic engine irrlicht. Furthermore by referring to the real -world teaching activities, we design series of virtual experiments like grating diffraction and complete their implementations. Here we take the dummy grating diffraction as example to explain the method of virtual experiment construction and the primary techniques, which is consist of the principal of design, the modules construction Etc.