名词
中文翻译:Unknown
同义词:
['fan beam', 'fan beam signal light']
例句:
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1.The police used a fan beam to guide the searchers through the dense fog.
警方使用风扇光束引导搜救人员穿过浓雾。
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2. The new traffic light uses a fan beam to improve its efficiency.
新的交通信号灯使用风扇光束来提高其效率。
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3.The fan beam beacon was designed to help pilots navigate in low visibility conditions.
风扇光束信号灯被设计用来帮助飞行员在低能见度条件下导航。