changing regulation的用法和樣例：
例句
- Daily Changing Rule between Leaf Net Photosynthetic Rate and Plant Environment Factors in Hippophae rhamnoides L.
沙棘葉片光合速率與其環(huán)境因子的日變化規律研究。 - Study on change regulations of nutritional composition and fluorine content of Potamogoton Pectinatus L.
龍須眼子菜營(yíng)養成分及氟含量變化規律的研究。
