virtual set的用法和样例：
例句
- The virtual studio technology is one that synthesizes the real image shot by the TV-camera and the virtual scene created by the computer.
摘要虚拟演播室技术是将摄像机拍摄的真实影像与计算机建立的虚拟场景进行合成。 - The application of the virtual studio system is more and more universal in the production of television programs, and keying technology is the core of the system.
摘要虚拟演播室系统在电视节目制作中的应用越来越普遍，而键控技术是该系统的核心。
