Unverified50% confidenceDecision RuleExact time
数字保存的核心理念是保存比特级的原真性，生成完整磁盘映像而非仅提取可见文件
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
剑桥指南《Copy That Floppy》：如何抢救软盘上的珍贵数据
hackernewshackernews7/8/2026
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