[KongchangAI]
Unverified90% confidenceFactTime unknown

3M Ultrathon采用专利控释(time-release)聚合物配方,DEET被缓慢释放到皮肤表面,使34%浓度达到接近传统98% DEET的持续时长,这是其核心技术差异

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90%
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Long-term
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