[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

对普通家用,PM2.5读数无需追求绝对精准(消费级仪器±10%~15%误差属正常),关键看趋势一致性——同一台仪器在开关净化器前后能拉开明显数值差即合格

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88%
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Long-term
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