| 单词 | extremely high frequency |
| 释义 | extremely high frequency极高频 extremely high frequency extremely high frequency n.Abbr. EHF（名词）缩写 EHFA radio-frequency band with a range of 30,000 to 300,000 megahertz.极高频：无线电频谱中30,000至300,000兆赫间的频率 |
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