利用对比法，讨论了武汉市雾日与城市小气侯的关系。
This paper emphatically deals with the regularities of fog's formation and dissipation in city and suburb, and its relations with urban microclimate.
海雾时数的年变化趋势与雾日相似，但从雾季过渡到非雾季，其变率比雾日大；
The annual trend of foggy hours is similar to foggy days', but the former has a bigger change rate than the latter in the transition of fog season to non-fog season;
平均雾日较多的宜君、石泉和西安有较明显的年变化，大致有6年和8年的准周期。
The mean foggy days of Yijun, Shiquan and xi 'an exist obvious interannual change, about quasi-period of 6, 8 years.
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