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fountain clock steered time scale
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fountain clock steered time scale
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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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descending inhibition
descending node
descending normal series
descending order
descending order of powers
descending pathways
descending perineum syndrome
descending plane partition
descending powers
descending power series
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descensional ventilation
descent
descent algorithm
descent datum
descent direction
descent method
Descent of Hoar Frost
Descent of the Ganges
descent rate of aircraft
descent set
descent theory
Deschooling Society
descolor cinquefoil
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