Unverified80% confidenceDecision RuleTime unknown
气味交换玩具应选择多孔天然橡胶或棉绳材质，孔隙率高的材料吸附并缓释同伴气味的时间可达7-14天，光滑硅胶表面留香不足48小时，交换气味训练意义有限
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80%
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Long-term
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