虚拟手术系统的研究和开发为医生提供了可反复使用的训练和模拟工具，可以应用于手术规划、手术演练和手术中的保护等。
The object of virtual surgery simulation system research and development is to provide a reusable environment for surgery training, planning, rehearsal and protection in operation.
计算机生成的指挥实体模拟指挥员在战场环境中的指挥与控制作用，可以替代人参与大规模的虚拟战场的仿真演练。
The computer generated command entity can be used to model the command and control process in battlefield, and can take part in large-scale simulation of virtual battlefield.
快速准确地在分布式虚拟对抗演练中，根据战术想定的要求设定三维战场环境，是有效实现对抗演练的重要手段。
It is an important means to rapidly and exactly set up virtual 3D-battlefield according to the requirement of tactics in distributed and virtual rivalry-drilling.
应用推荐