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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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chronic thromboembolic pulmonary hypertension
chronic toxicity
chronic toxicity test
chronic toxicity test for aquatic organism
chronic toxicity test for fishery organisms
chronic vitamin A toxicity
chronistor
chronoamperometric
chronoamperometry
chronobiology
chronocomparator
chronocoulometry
chronogeometry
chronografic
chronogram
chronograph
chronograph metaphor
chronography
chrono-interferometer
chronoisotherm
chronological form like that in Zizhi Tongjian
Chronological Life of Hong Sheng
chronological operator
chronological order
chronological ordering
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