Unverified78% confidenceTradeoffTime unknown
香茅类天然香薰的有效持续时间随浓度快速衰减,无缓释载体的喷雾实际驱虫窗口约2-3小时,凝胶/膏体缓释可达15-30天但强度低,需按更换频率而非标称时长评估
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78%
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Long-term
Relevance
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