[KongchangAI]
Unverified75% confidenceTradeoffTime unknown

部分机型宣称人耳听不见,但20kHz边缘频率对听觉敏感人群、婴幼儿和狗猫可能仍可感知,卧室和婴儿房应选择带光电模式(超声+电磁)可关超声的产品

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75%
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Long-term
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