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fountain clock steered time scale
释义
fountain clock steered time scale
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工学
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fountain clock steered time scale
喷泉钟驾驭时标
结合喷泉钟高准确度和商品原子钟组的稳定性与可靠性,产生高准确、稳定、可靠时间频率信号的技术方案。国际计量局(BIPM)使用这种方案计算产生出国际标准时间(UTC)。
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dyspepsia
dyspeptic abdominal mass
dysphagia
dysphagia assessments
dysphagia in the elderly
dysphagia treatment
dysphotic zone
dysplasia
dyspnea
dysprosium
dystectic
dystectic mixture
dysthymia
dystocia in domestic animals
dystonia
dystroglycan
dystrophic calcification
dystrophin
dystrophy
dysuria
dysuria and frequent vomiting
dytetragonal prism
Dzavhan River
D. Zeilberger
D. Zeilberger (1950—)
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