Unverified50% confidenceFactExact time
Off-policy方法（如DQN、SAC）可以通过经验回放缓冲区复用历史数据提高样本利用率，而重要性采样在新旧策略差异较大时权重方差可能爆炸式增长
1
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50%
Confidence
Long-term
Relevance
8/5/2026
First Seen
Sources
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