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单词
ammonia clock
释义
ammonia clock
英?[??m??nj? kl?k]
美?[??monj? klɑk]
释义
氨钟
英英释义
Noun
1. an atomic clock based on vibrational frequency of the nitrogen atom in the ammonia molecule
行业词典
天文学
氨钟???以氨分子为工作物质的分子钟。???
随便看
astronomical observation science
astronomical observatory
astronomical optics
astronomical optics telescope
astronomical orientation
astronomical parallel
astronomical perturbation
astronomical perturbation technique
astronomical phenomena
astronomical phenomenon
astronomical photography
astronomical photometer
astronomical photometry
astronomical plate
astronomical point
astronomical polarimetry
astronomical position
astronomical position circle
astronomical position finder
astronomical position finding
astronomical position finging
astronomical positioning system
astronomical position line
astronomical pyrometer
astronomical radiation
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更新时间:2025/4/17 9:25:21