[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

0-3月新生儿更适合胎内音/心跳声(模拟子宫环境),4月龄以上对白噪音(雨声、吸尘器声)响应更好,选购时优先看是否覆盖需要的声音类型而非数量堆砌

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82%
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Long-term
Relevance
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