| 单词 | radio-frequency |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔booster〕Electronics A radio-frequency amplifier.【电子学】 辅助放大器：一种无线电频率放大器美国传统〔citizens band〕A radio-frequency band officially allocated for private radio communications.居民频带：官方分配给私人无线电通讯用的无线电频带美国传统〔cosmic noise〕Radio-frequency radiation originating outside Earth's atmosphere, such as that originating from sunspots.宇宙噪音：来自地球以外空间的无线电频段的辐射，例如来自太阳黑子的宇宙噪音美国传统〔galactic noise〕Radio-frequency radiation originating outside the solar system.银河噪声：产生于太阳系之外的无线电频率辐射美国传统〔radio spectrum〕The entire range of electromagnetic communications frequencies, including those used for radio, radar, and television; radio-frequency spectrum.无线电频谱：电磁通讯频率的整个范围，包括那些用于无线电、雷达和电视的频率；无线电频谱美国传统〔radome〕A domelike shell transparent to radio-frequency radiation, used to house a radar antenna.雷达天线罩：有顶构造，可以让无线电频率辐射穿过，用于隐蔽雷达天线美国传统 |
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