| 单词 | high-frequency alternator |
| 释义 | > as lemmashigh-frequency alternator high-frequency alternator n. Electrical Engineering (now chiefly historical) any of several kinds of alternator designed to give an alternating current with a frequency greater than about 10 kHz. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > dynamo > [noun] > dynamo giving alternating current alternator1878 high-frequency alternator1891 1891high frequency alternator [see sense B. 1]. 1935 J. B. Moore in K. Henney Radio Engin. Handbk. (ed. 2) 564 The high-frequency alternator is one of the most used types of transmitter for long-wave transoceanic code communication. 2006 T. C. Campbell Wireless Writing in Age of Marconi iv. 104 High-frequency alternators and the stronger signals they sent now meant that commanders could direct men to their deaths from a bunker, a lab, or a studio. < as lemmas |
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