[KongchangAI]
Unverified50% confidenceFactExact time

标准 CD-R 采用 780nm 波长的红外激光，DVD-R 采用 650nm 红色激光，BD-R 使用 405nm 蓝紫色激光，波长越短单位面积可存储的数据密度越高

1
Sources
50%
Confidence
Long-term
Relevance
7/7/2026
First Seen

Sources

Discs Die Too: The Truth About Digital Storage Lifespan and Backup Strategies
hackernewshackernews7/4/2026

Related Claims

UnverifiedCD标准使用16位量化，提供96dB的动态范围和65536个离散振幅级别69% similarUnverifiedA single sequence of 32K context length for LLaMA-2 70B can require approximately 80 GB of KV cache in FP16.60% similar

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