| 单词 | frequency raiser |
| 释义 | > as lemmasfrequency raiser frequency raiser n. ΚΠ 1893 Jrnl. Soc. Arts 5 May 624/1 We want..a frequency-raiser.., which shall transform the frequency, even as the induction-coil transforms the voltage. 1926 G. G. Blake Hist. Radio Telegr. 234 The main object of the foregoing frequency raisers has been to obtain an increase of frequency from comparatively low frequency alternators. < as lemmas |
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