Therefore the quality of CMMS is the key to the quality of simulation system based on it.The research for Verification, Validation and Accreditation (VV&A) Technology of CMMS is very important.

• 所以任务空间概念模型的质量直接影响到仿真系统的质量，任务空间概念模型自身的VV&A是一个非常值得关注的问题。