atomic clock
noun[C]
uk/əˌtɒm.ɪk ˈklɒk/us/əˌtɑː.mɪk ˈklɑːk/adevicethatmeasurestimeextremelyaccuratelyusing thevibrations(=fast,regularsmallmovements)ofatoms:
原子钟Theatomicclockis sopreciseit shouldn'tloseorgaina second in 20 to 30billionyears.原子钟非常精确，在200到300亿年内不会丢失或增加一秒。
Hisdiscoveryof themagneticpropertiesofatomsgaveriseto superaccurateatomicclocks.他对原子磁性的发现催生了超精确原子钟的发明。
- The mostaccuratetypeoftimekeepingdeviceiscurrentlytheatomicclock.
- In 1967, when the firstatomicclockwasinstalled, nobody had inmindtolaunchawholebunchofglobalpositioningsatellitesthat haveatomicclocks.
- Ashigh-endtime-keepingtechnologies,includingatomicclocks,becomecheaper,theirapplicationinsportsand many otherareaswillgrow.
- Boulder,Coloradoishomeof theatomicclock, the country'sofficialtimesource.
Watches & clocks
- 24-hour clock
- against the clockidiom
- alarm
- alarm clock
- at/on the stroke ofsomethingidiom
- bezel
- clock
- horology
- hour hand
- hourglass
- jewel
- military time
- minute hand
- movement
- stroke
- timekeeper
- timepiece
- turn the clocks backphrase
- twenty-four-hour clock
- watchband