综合归纳出春季当地成雾时天气系统背景及预报指标。
The weather systems, circulation background and forecast indicators were given.
各成雾气象因素的主段均短，对应雾日多，对应的雾日机率规律性好；次段虽长，对应雾日却少，规律性有的也较差。
The primary phase of all meteorological elements is short, but with more fog days and a better regularity of fog day probability.
即使没有找到需要杀死细菌或寄生虫，或者需要去除的气味，它将逐渐分解成两分子像增湿器的雾一样的水汽。
Even if it finds no germs to kill, or parasites to trounce, or odors to attack, it will gradually become two molecules of water which are the same as humidifier fog.
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