名词
中文翻译：永久发光信号
同义词：
['permanent light signal', 'permanent illumination signal']
例句：
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1.This device is designed to transmit a permanent glow signal for long-distance communication.
这个装置设计用来传输一个永久发光信号进行远距离通信。
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2. The company's logo is a permanent glow signal that stands out in the crowd.
公司的logo是一个永久发光信号，在人群中格外显眼。
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3. The new technology promises to provide a permanent glow signal for navigation and safety at sea.
这项新技术承诺提供一种永久发光信号，用于海上导航和安全。