| 单词 | 低频 |
| 释义 | 〔woofer〕A loudspeaker designed to reproduce bass frequencies.低频扬声器：设计用来再现低音频率的扬声器〔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〔Sensurround〕A trademark used for a motion-picture sound effect consisting of low-frequency sound signals felt by the audience as vibrations.环绕临场感：用作一种电影声音效果的商标，它是由观众感到振动的低频声音信号组成 |
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