名词
中文翻译：被动红外寻星头
同义词：
['passive infrared homing beacon', 'passive infrared homing antenna']
例句：
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1. The satellite's passive infrared homing system is highly accurate.
卫星的被动红外寻星系统非常准确。
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2. The research team used a passive infrared homing head to locate the lost dog.
研究小组使用一个被动红外寻星头来找到丢失的狗。
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3. The passive infrared homing head was designed to help pilots find their way back to the runway.
被动红外寻星头被设计用来帮助飞行员找到返回跑道的路。