| 单词 | quartz oscillator |
| 释义 | > as lemmasquartz oscillator quartz oscillator n. ΚΠ 1925 Proc. Physical Soc. 38 399 Very accurate measurements of the velocity of sound at very high frequencies, using quartz oscillators as the source of sound. 1938 Proc. Physical Soc. 50 413 The quartz oscillator not only is widely used for stabilizing the frequency of transmitting stations but also constitutes the most accurate means of recording the passage of time. 2000 Brit. Jrnl. Hist. Sci. 33 480 The quartz is the watch's key precision element, and electronic watches containing a quartz oscillator are these days often called quartz watches. < as lemmas |
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