An app that records information in the form of neurons can build a hard and soft connection to process information
1.a A finger is long pressed to restore the original angle of the page.
2.a Two finger dragging can move the whole page
2.b The relative rotation of the two fingers can rotate the whole page
2.c The two finger moves relatively, and it can zoom in and down the page
3.a Optimization of accuracy control function in the edit menu, tap the circle button again, rounded down (180.182 to 180.000)