[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

负离子浓度需看有效距离下的实测值,标称浓度多为出风口贴近测量。选购时认准1米处浓度≥100万个/cm³才有实际保健意义,出风口标注1000万但1米处衰减到几万的产品无效

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82%
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Long-term
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get_claim(id=316752)