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天文钟
tiān​wén​zhōng

astronomical clock

Definitions Defs Origin Strokes Stroke Words Sentences Sents
天文钟 天文鐘 tiān​wén​zhōng
astronomical clock
An astronomical clock or high-precision chronometer used for determining exact time, often kept under vacuum at a constant temperature.

Frequency

Written text
0.020 per million

Cross-References

Classifier

  • 座 zuò

Sources

Frequency data
BCC Corpus (BLCU)