名词
中文翻译：信号人员
同义词：
['communications staff', 'communications personnel', 'telecommunications staff']
例句：
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1. The signal staff were instructed to check the equipment before the game.
比赛前，信号人员被指示检查设备。
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2.The new signal staff has been trained to handle emergency situations.
新的信号人员已经接受了应对紧急情况的训练。
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3.The signal staff is responsible for maintaining communication between the players and the referees.
信号人员负责在球员和裁判之间维持通信。