英语词汇“timeball”的读音、翻译、释义、用法及例句-开邑网

词汇	timeball
释义	timeballtimeballn.1.■标准报时球(该球在正午或其他规定时从气象台或其他高楼的旗杆上落下,以报告平太阳时的标准时刻)
随便看	control arm control assembly control augmentation control augmenta tion system control automation system control azimuth control ball control band control behavior control bench board control bias capability control bit control blasting control block control block event control blower control board control board for cooling unit control booster control booth control box control break control break level control brush control budget

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