[KongchangAI]
Unverified78% confidenceDecision RuleTime unknown

音量调节应支持≤50dB的低档位,宠物听觉灵敏度是人类2-4倍,人耳舒适的60-70dB对犬猫已属偏大,最低档不可低于人耳几乎听不见的水平以确保有效

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Long-term
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