名词中文翻译1
中文翻译：Unknown
同义词：
['omnidirectional antenna', 'directional antenna']
例句：
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1. This antenna is designed to receive signals from all directions.
这种天线设计用来从所有方向接收信号。
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2. The new antenna has a wider coverage area than the old one.
新型天线的覆盖范围比旧型更广。
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3.The antenna was installed in the center of the room to provide better reception.
天线被安装在房间中心以提供更好的接收效果。