[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

胎教APP的音乐胎教内容应标注频率范围在500-1500Hz、音量控制在60分贝以下,超出该范围的白噪音或高频音乐可能对胎儿听觉发育不利,选购时优先看是否有分贝和频率标注

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82%
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Long-term
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