The graphic trend of their proportional relationship is the same before the inflection point, and has a certain relationship with P1 after the inflection point.
The graphical movements of their proportional relationships are the same before the inflection point, and there is a certain relationship with P1 after the inflection point
The graphic trend of their proportional relationship is the same before the inflection point, and has a certain relationship with P1 after the inflection point<br>