Unverified90% confidenceDecision RuleTime unknown
选择标注UPF50+且明确标注UVA/UVB双重阻隔率≥95%的口罩，仅标注'防紫外线'而无具体UPF数值的产品不可信
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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