名词
中文翻译：狭窄的梁天线
同义词：
['narrow-beam antenna', 'narrow-beam radio', 'narrow-beam transmitter']
例句：
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1. The narrowbeam antenna was used to pick up signalsfrom a distant location.
窄波束天线被用来从远处的位置接收信号。
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2. The narrowbeam antenna was designed to provide high-resolution imaging.
窄波束天线被设计来提供高分辨率成像。
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3. The narrowbeam antenna was used inthe search and rescue mission.
窄波束天线在搜救任务中被使用。