Probe into Ningde city fall acid rain frequency and relation of season in the rain.
探讨宁德市降雨中酸雨频率与季节变化的关系。
We usually use the traditional remnant GM (1, 1) model to forecast the acid rain frequency.
目前预测酸雨频率多采用传统的残差gm(1,1)模型。
It also showed that the emission rate of sulfur accorded with the climate and the frequency of acid rain of Guangdong province.
其排放速率与广东省的自然条件相关，与广东省酸雨频率吻合。
The frequency of the strong acid rain differed with various seasons, the highest in autumn and the lowest in summer.
四季中强酸雨频率各不相同，秋季最高，夏季最低；强酸雨的酸沉降量正在逐年增加；
The frequency of the strong acid rain differed with various seasons, the highest in autumn and the lowest in summer.
四季中强酸雨频率各不相同，秋季最高，夏季最低；强酸雨的酸沉降量正在逐年增加；
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