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喷泉钟驾驭时标
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喷泉钟驾驭时标
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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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underground oil and water movement rule
underground oil chamber
underground oil depot survey
underground oil storage comes from salt cavity
underground oil storage facility
underground oil storage in rock caverns
underground operation safety technology
underground parking
underground parking system
underground passage
underground pedestrian system
underground personnel transportation vehicle
underground pipeline
underground pipeline detecting and surveying
underground pipeline information system
underground pipeline modeling
underground pipeline survey
underground pneumatic down-the-hole drilling rig
underground power plant
underground power transmission
underground public facilities planning
underground pump room
underground pump station
underground railway
underground railway station
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更新时间:2025/11/28 12:40:09