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fountain clock steered time scale
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fountain clock steered time scale
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工学
时标
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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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plectin
plectocomia
plectonemic coil
plectostele
Plectsk Base
PLED
pledged supplemental lending
pledge of copyright
pledge of patent
pledge weighted bond repurchase monthly weighted average interest rate
Pleiad
pleiade
Pleiades
Pleiades Nebula
Pleiades satellite
Pleijel, Å.V.C.
pleiochasium
Pleione
pleiotropic hormone
pleiotropism
pleiotropy
pleioxeny
Pleistocene
Pleistocene Epoch
Pleistocene Epoch primates
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