介绍了在实验中，恰当地应用ewb软件作虚拟仿真实验，对实验可起到有益的辅助、拓展和加深作用。
EWB software was applied felicitously in virtual simulation experiment, which can play a useful supplementary, expanded and deepened role for the real experiment.
实验证明，单片机虚拟仿真实验简化了程序在目标硬件上的调试工作，有利于缩短系统开发周期，降低成本。
The result proves that the work load of program debugging in objective hardware was reduced, development process is accelerated and the cost is lowed by micro-controller virtual simulation experiment.
总结了虚拟仿真实验开发过程中的各种仿真建模方法和技术，包括数学模型的建立、静态和动态三维图像模型的建立、数学模型与图像模型的协调工作等；
This paper summarizes kinds of modeling methods and technologies, such as the establishment of mathematical models, static and dynamic 3-D image models, cooperation of the models, etc.
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