1, epidemic inflection point means that after the inflection point, the case curve should continue to rise but the growth rate will slow down, and then it will start to decline after reaching the highest point.

2. The inflection point is not an extreme point. The data on both sides of the extreme point are smaller than the extreme point.

3. Inflexion point is also called "inflexion point" in mathematics. At this point, the curve changes direction, which is intuitively the dividing point between concave arc and convex arc of continuous curve.

The turning point in life often means that the development trend of things begins to change at this point, which is a turning point, which is completely different from the mathematical meaning.

5. In the field of media, the turning point means that there is still a lot of incremental space for China's media reform, which can continue to develop greatly.

6. The economic turning point often mentioned in economics means that the economic situation begins to change at this point, either rising or falling.