名词
中文翻译：手动信号
同义词：
['manual', 'manual control', 'manual override']
例句：
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1.The pilot used a manual signal to guide the plane through the fog.
飞行员使用手动信号来引导飞机穿越雾区。
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2.The manual signal was designed to prevent accidents by alerting drivers to potential hazards.
手动信号旨在通过警告司机潜在危险，预防事故。
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3. During emergencies, the manual signal is used to override automated systems and ensure safety.
在紧急情况下，手动信号被用来替代自动化系统，以确保安全。