This paper presents the principle of the virtual experiment teaching, and indicates a design scheme for virtual experiment teaching system on VRML.

这里，分析了虚拟教学实验的原理，提出了一种基于VRML的虚拟教学实验的设计方案。

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This paper develops the experiment system of test technique with virtual instrument technique, which largely enriches the experiment contents, and wholly improves the experiment teaching.

介绍了应用虚拟仪器技术研发的“测试技术”实验系统，丰富了实验内容，全面更新了实验教学。

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Virtual experiment system of engineering graphics model is a complete new method for teaching process optimization. It can remove the defects of traditional experiment system for engineering graphics.

工程图学模型虚拟实验系统是教学过程优化的一种崭新手段，可以有效地克服传统工程制图实验教学的缺陷。

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