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原子时标国家计量基准
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原子时标国家计量基准
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national time scale primary standard
原子时标国家计量基准
1983年经国家质量监督检验检疫总局批准,由中国计量科学研究院(NIM)国家时间频率计量中心建立和保持的原子时标UTC(NIM)。是统一全国时间频率量值的最高依据。
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oil-gas-water three phase flow experiment
oil-gas-water three-phase flow regime
oil & gas well drilling techniques
oil gathering lines
oil gathering process
oil gathering process for crude blending with vapor
oil gathering process for high pour-point crude oil
oil gathering process for hydraulic piston pump production
oil gathering process with branching network
oil gathering process with loop single pipe and mixing water
oil gathering process with mixing active water
oil gathering process with mixing light crude oil
oil gathering process with mixing white oil
oil gathering process with radiating network
oil gathering process with steam drive
oil gathering process with steam huff and puff
oil gathering process with three-pipe heat tracing
Oil Geophysical Prospecting
oil hammer-shaped vase
oil-immersed regulator
oil immerser load switch
oil immersion
oil immersion objective
oil immersion wire
oil-impregnated bearing
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