| 单词 | guard band |
| 释义 | guard band in British Englishnoun a space left vacant between two radio frequency bands, or between two tracks on a magnetic tape recording, to avoid mutual interference guard band in American Englishnoun Radio an unassigned range of radio frequencies either just above or just below the bandof frequencies required for the signal transmitted by a broadcasting station. It helps to prevent interference in receivers between signals from different stations Word origin [1955–60]This word is first recorded in the period 1955–60. Other words that entered Englishat around the same time include: backgrounder, cassette, geodesic dome, new wave, softwareExamples of 'guard band' in a sentence |
| 随便看 |
|
英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。