yuán​zǐ​zhōng

atomic clock

原子钟 原子鐘 yuán​zǐ​zhōng
atomic clock noun
A high-precision timekeeping device that uses the stable vibration frequencies of atoms, such as cesium or rubidium.

Frequency

Movie subtitles
0.120 per million appears in 0% of films
Written text
0.066 per million

Cross-References

Classifier

Sources