The relationship between the Riemannian geometric framework of Lagrange equation and the topology graph representation of classic mechanical systems is discussed.

• 摘要讨论了经典力学系统中拉格朗日方程的黎曼几何表示（黎曼流形上的牛顿力学）和力学系统拓扑图表示之间的关系，作为应用。