In fact, virtual reality is exploiting software and hardware of the computer to generate a simulation of an environment, such as an easeful classroom, a breathtaking action and so on.
实际上, 虚拟现实就是利用计算机的软件和硬件去产生一种境界的仿真, 如仿真一个学习场所, 一次惊险的行为等等。
Computer simulation of an in-flight emergency.
计算机模拟飞行途中的紧急情况
