Unverified50% confidenceFactExact time
几乎所有存储介质，包括光盘在内，都有明确的寿命上限，数字化并不等于永久保存
1
Sources
50%
Confidence
Long-term
Relevance
7/8/2026
First Seen
Sources
Discs Die Too: The Truth About Digital Storage Lifespan and Backup Strategies
hackernewshackernews7/4/2026
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