英文：In television, the control panel in a studio control room for the switching and mixing of video or audio program elements.
中文：电视播放控制室内的一种控制面板，用来切换和混合视频或声频节目。同wireboard。
英文：I've got into the habit of switching on the TV as soon as I gethome.
中文：我已养成一到家就打开电视机的习惯.
英文：The process of recording everything pertinent to a machine run, including identification of the machine run, recording the alternation switch settings, identification of input and output tapes, copy of manual key-ins, identification of all stops, and a re
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