changing characteristics的用法和樣例：
例句
- 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。 - This paper described the characteristics of vegetation change in gaps of Larix gmelinii natural forest in Daxinganling.
摘要根據在大興安嶺調查興安落葉松天然林林隙結構，闡述了林隙地被物變化特征。
