Season Change Characteristics of Main Pollutants in Surface Water of Zhuozhang River Basin. 濁漳河流域地表水主要污染物季節變化特征。
The characteristic colour changes which are associated with the senescence of leaves of deciduous trees in autumn. 在秋天落葉樹(shù)的葉子顏色變化特征,是同衰老相聯(lián)系的。