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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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color constancy
color contrast
Color Contribution Index
color coordinate system
color correction
color-critical
color critical graph
color-critical graph
color curtain screen
color curve
color decomposition
color dependent error
color depth
color design of textile
color development
color difference
color difference method
color difference photography
color disc
color display
color distortion
color Doppler ultrasound
colored
colored Almi wall silk
colored braid
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