| 单词 | two-source frequency keying |
| 释义 | two-source frequency keying 【电信学】双源频率键控[亦作 frequency exchange signal(ing)] 以上来源于：《21世纪大英汉词典》 two-source frequency keying双频源按键法two-source frequency keying雙頻源按鍵法電機工程two-source frequency keying雙頻源按鍵法電力工程 |
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英汉汉英词典包含3953260条英汉及汉英翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。