Model 2: Functional Attribute Model

Model 3: Fractional function model

Model 4: Abstract functional model

Model 5: Function Application Model

Model 6: Equal Area Conversion Model

Model 7: Equal Volume Transformation Model

Model 8: Line-Plane Parallel Transformation Model

Model 9: Vertical Transformation Model

Model 10: normal vector and symmetric model

Model 1 1: A circle and Miller problem model.

Model 12: Conditional Structure Model

Model 13: cyclic structure model

Model 14: classical probability and geometric probability

Model 15: Angle model

Model 16: trigonometric function model

Model 17: vector model

Model 18: triangle model with mutual solution of corners

Model 19: A model for solving the problem of simplifying recursive series into arithmetic geometric series.

Model 20: Construct a functional model to solve the inequality problem.

Model 2 1: the largest model in analytic geometry