seasonal change

• 季节变化

seasonal change的用法和样例：

例句

1. Precipitation has obvious seasonal wind direction changes.
   降水风向有明显的季节变化。
2. Season Change Characteristics of Main Pollutants in Surface Water of Zhuozhang River Basin.
   浊漳河流域地表水主要污染物季节变化特征。