| 单词 | half-cycle transmission |
| 释义 | half-cycle transmission [`haf ¦sī·kǝl tranz`mish·ǝn] COMMUNICATIONS Data transmission and control system that uses synchronized sources of 60-hertz power at the transmitting and receiving ends; either of two receiver relays can be actuated by choosing the appropriate half-cycle polarity of the 60-hertz transmitter power supply. |
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