Aimed at the problem existing in the traditional teaching methods of which could not adjust to the development of modern equipment, this paper designs a set of virtual teaching system for classes series of “Electrical System of Ordnance Equipment”, which adopts the manner of “3DS Max+Cult3D+Delphi” to achieve the virtual effect. The functional structures and designing process of the system are introduced, by which the students may learn by themselves. Therefore, it helps to improve the learning efficiency, the teaching and learning interaction as well as the immersed sense.% 针对装备电气传统教学方法不能适应现代装备发展需要的问题，设计了一套适用于“武器装备电气系统”系列课程的虚拟教学系统，采用3DS Max+Cult3D+Delphi方式来实现虚拟效果，并介绍了系统功能模块和详细的开发设计流程。该系统有利于学生自主学习，增强了教学互动性和沉浸感，提高了学习效果。
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