名词
中文翻译：机上标注
同义词：
['On-Board Notation', 'Aircraft Fuel Labels', 'Avionics Notation']
例句：
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1. Theon-board system can be used to monitor the aircraft's performance.
机上系统可以用来监控飞机的性能。
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2. The on-board computer is responsible for managing the aircraft's systems.
机上计算机负责管理飞机的系统。
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3. The on-board data should be transmitted to the ground control station.
机上数据应该传输到地面控制站。