| 单词 | semiautomatic keying circuits |
| 释义 | semiautomatic keying circuits [¦sem·ē´ȯd·ǝ`mad·ik `kē·iŋ ´sǝr·kǝts] COMMUNICATIONS Mechanization providing torn tape switching systems in teleprinter links; incoming and outgoing messages are converted to tapes and manually inserted into a teletypewriter distributor that mechanically keys the circuit automatically. |
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