名词
中文翻译：射频区域
同义词：
['radio frequencyrange', 'radio frequency band']
例句：
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1. The device operates within the radio-frequency region.
该设备在射频区域内运行。
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2.The signal was detected in the radio-frequency region.
信号在射频区域内被检测到。
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3.The scientists are working on developing a newradio-frequency technology.
科学家们正在开发一种新的射频技术。