| 单词 | quartz clock |
| 释义 | > as lemmasquartz clock quartz clock n. [after German Quartzuhr (1933 or earlier)] an electric clock in which the current is regulated and accuracy maintained by the regular vibrations of a quartz crystal. ΘΚΠ the world > time > instruments for measuring time > clock > [noun] > other types of clock watch-clock1592 German clock1598 quarter clocka1631 wheel-clock1671 table clocka1684 month clock1712 astronomical clock1719 musical clock1721 repeater1725 Tompion1727 pulling clock1733 regulator1735 eight-day clock1741 regulator clock1750 French clock1757 repetition clock1765 day clock1766 striker1778 chiming clock1789 cuckoo-clock1789 night clock1823 telltale1827 carriage clock1828 fly-clock1830 steeple clock1830 telltale clock1832 skeleton clock1842 telegraph clock1842 star clock1850 weight-clock1850 prison clock1853 crystal clock1854 pillar scroll top clock1860 sheep's-head clock1872 presentation clock1875 pillar clock1880 stop-clock1881 Waterbury1882 calendar-clock1884 ting-tang clock1884 birdcage clock1886 sheep's head1887 perpetual calendar1892 bracket clock1894 Act of Parliament clock1899 cartel clock1899 banjo-clock1903 master clock1904 lantern clock1913 time clock1919 evolutionary clock1922 lancet clock1922 atomic clock1927 quartz clock1934 clock radio1946 real-time clock1953 organ clock1956 molecular clock1974 travelling clock2014 1934 Rep. Progress Physics 1 340 The ‘quartz clocks’ of the Physikalisch-Technische Reichsanstalt have now been compared with signals from the various astronomical observatories over periods of several months. 1976 R. Condon Whisper of Axe i. xxii. 144 A collection was taken up to present him with a quartz clock. 1994 C. Pursell White Heat iii. 72 The first clock using a quartz crystal was built in the 1920s, and the first quartz clock was installed at Greenwich in 1939. < as lemmas |
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