| 单词 | 频率范围 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔bandwidth〕The numerical difference between the upper and lower frequencies of a band of electromagnetic radiation, especially an assigned range of radio frequencies.带宽：电磁辐射频带中高频与低频之间的数值差，尤指某设定的无线电频率范围美国传统〔graphic equalizer〕An electronic equalizer that allows one to increase or decrease a fixed set of frequency ranges in an audio system.坐标平衡器：使人可以扩大或是缩减在音频系统中的一组固定频率范围的电子平衡器美国传统〔radio wave〕An electromagnetic wave within the range of radio frequencies.无线电波：无线电频率范围内的电磁波美国传统〔window〕A range of electromagnetic frequencies that pass unobstructed through a planetary atmosphere.电波反射装置：电磁波段能够不受阻碍地穿过行星大气层的一种电磁频率范围美国传统 |
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