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Sigma KEE - Fogging
KB Term: 
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雾
Fogging 是悬浮在 EarthAtmosphere 的 Water 小滴 或 Ice Crystal，它 causes visibilityInMeteorology 下降至少于 1,000 Meter.
Relationships      
Parents 天气过程 WeatherProcess is the broadest class of processes that involve weather, including weather seasons (not to be confused with instances of SeasonOfYear), weather systems, and short-term weather events.


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