| 单词 |
harmonica bug |
| 释义 |
harmonica bug harmonica bug[här′män·ə·kə ‚bəg] (electronics) A surreptitious interception technique applied to telephone lines; the target instrument is modified so that a tuned relay bypasses the switch hook and ringing circuit when a 500-hertz tone is received; this tone was originally generated by use of a harmonica. |
| 随便看 |
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