Unverified50% confidenceFactExact time
离线强化学习（Offline RL）的核心挑战在于分布偏移，数据中未覆盖的状态-动作对可能导致价值函数的严重高估，CQL、IQL 等算法通过保守估计或隐式约束来应对
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8/8/2026
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