[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

哄睡婴儿选最低音量能压到45分贝以下的机型;美国儿科学会建议婴儿白噪音≤50分贝且距离婴儿床≥2米,音量调节档位太粗的机型最小档往往仍偏大

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