collagen 发表于 2025-3-26 22:09:07
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John G. Francis,Leslie P. Francistly stored on magnetic helical scan tape and 9 track magnetic tape respectively, are being rewritten to random access optical disk. In addition, the NSSDC is in the process of ensuring that all data in its archive has a backup which is stored at a separate location.Etymology 发表于 2025-3-27 14:24:39
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