affine differential geometry

例句：

1. 1.In affine differential geometry, we study the properties of shapes that can be described by a single equation.
   在仿射微分几何中，我们研究可以用单一方程描述的形状的性质。
2. 2. The affine differential geometry of the curve is crucial for understanding its topology.
   曲线的仿射微分几何对于理解其拓扑至关重要。
3. 3. The affine differential geometry of the surface is used to calculate the curvature and bending of the surface.
   曲面的仿射微分几何用于计算曲面的曲率和弯曲。