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交流功率基准
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交流功率基准
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交流电量计量
释
AC power standard
交流功率基准
建立和保存交流功率量值的国家级计量装置。功率基准的频率范围较宽,从工频50赫兹向上至100千赫。
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ultramicrocoacervation
ultramicroconcentration
ultra microcrystal
ultramicrodetermination
ultramicroelectrode
ultramicrometer
ultramicropalaeontology
ultra microscope
ultra-microscope
ultramicroscope
ultramicroscopic
ultramicroscopic structure
ultramicroscopy
ultra-microstructure
ultramicrotome
ultramicrotomy
ultramicrowave
ultra-mylonite
ultra-Neptunian planet
ultranet
ultraparabolic
ultraparabolic differential equation
ultraparabolic equation
ultraparallel lines
ultra performance liquid chromatography
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