在电视文艺中，要想把一部作品、一台晚会、一部舞剧、一场音乐会完整地、流畅地呈现在观众面前，就要靠有别于电影拍摄要素的多机同步、现场组接等电视运作方式来实现。这也就是至今仍被称之为“切换导演”、“导播”的镜头切换工种的工作。之所以称其为“工种”，是因为它的 In television literature and art, if you want to present a work, a party, a dance drama, a concert in a complete and smooth manner before the audience, it depends on the multi-machine synchronization different from the filming elements. The scene group Then the TV mode of operation to achieve. This is what is still called the “switch director”, “guide broadcast” lens switch jobs. It is called “type of work” because of it