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Assist with maintenance and repair of display systems, scoreboards and message displays.
协助维护与维修达科显示系统 、 记分牌和显示屏.
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LED lighting was once relegated to basketball scoreboards, cellphone consoles, traffic lights and colored Christmas lights.
LED照明一度被贬到为篮球记分, 手机游戏机, 交通灯和彩色圣诞装饰灯.
英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。