Unverified80% confidenceTradeoffTime unknown
音效丰富度越高(几十种自然音)越依赖数字采样和喇叭素质,机身也越大越重;出行只需2-4种核心音(白噪音/雨声/风扇声)反而更省电更轻
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80%
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Long-term
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