Electronics. Originally (in a telephone switchboard): a switch (switch, n. 3b) designed to admit a jack plug; = jackknife switch n. at jackknife, n.…
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| 单词 | θ77551 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > electrical appliances or devices > [noun] > socket > for connection to circuit (3) Jack1885 Electronics. Originally (in a telephone switchboard): a switch (switch, n. 3b) designed to admit a jack plug; = jackknife switch n. at jackknife, n.… jack socket1895 a socket or switch used to connect a device to a circuit or network, esp. one used to transmit or receive audio or telecommunication signals;=… jackfield1904 A device consisting of an array of jacks (Jack, n.2 18a) mounted on a panel, used (esp. in the recording, broadcasting, etc., of audio and video)… |
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