Hypernyms:atomic clock
Inherited Hypernyms:caesium clockatomic clocktimepiecemeasuring instrumentinstrumentdeviceinstrumentalityartifactwholeobjectphysical entityentity
| 单词 | caesium clock |
| 释义 | Caesium Clock nnoun.artifactan atomic clock based on the energy difference between two states of the caesium nucleus in a magnetic field Hypernyms:atomic clock Inherited Hypernyms:caesium clockatomic clocktimepiecemeasuring instrumentinstrumentdeviceinstrumentalityartifactwholeobjectphysical entityentity |
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