Unverified50% confidenceFactExact time
累积文本漂移本质上是一个随机游走问题，经过N步后的期望偏移量以√N速度增长，但因删除段落和插页引入有偏误差，实际漂移速度往往是线性甚至超线性
1
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50%
Confidence
Long-term
Relevance
8/24/2026
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