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电子文件更新
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电子文件更新
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refresh of electronic records
电子文件更新
为防止由于存储介质物理性能变化而引起信息丢失,将电子文件从原存储介质转移到目标存储介质上的过程。又称载体更新。
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γ ray interaction with matter
γ-ray laser
γ-ray line
γ-ray line astronomy
γ-ray line emission
γ-ray luminosity
γ-ray map
γ-ray observation
γ-ray observatory
γ-ray optics and detection techniques
γ-ray protection
γ-ray pulsar
γ-ray radiation sampling apparatus
γ-ray radioassay instrument and equipment
γ-ray radiometer
γ-ray satellite
γ-ray scattering
γ ray sky
γ-ray sky
γ-ray source
γ-ray source catalog
γ-ray spectral line
γ-ray spectrometer
γ ray spectrometry
γ-ray spectrometry
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更新时间:2026/6/11 4:34:19