设计了虚拟试验平台的框架结构,开发了面向对象的映射型数据库系统,分析了试验管理器模块的实现流程,阐述了建模仿真模块、虚拟环境模块等关键功能模块的研制过程,通过多种接口机制将多种技术集成为一个无缝计算机环境.最后,举例进行说明,并总结了虚拟试验技术应用到液体火箭发动机试验的优势. The frame structure of virtual test platform is designed and an object oriented mapping database system is developed. The implementation flow of test manager module is analyzed, and the development of key modules such as modeling and simulation module and virtual environment module is described. The interface mechanism integrates multiple technologies into a seamless computer environment.Finally, an example is given to illustrate and summarize the advantages of virtual test technology applied to liquid rocket engine testing.