theoritical model的用法和样例：
例句
- This paper presents a theoretical model for the coefficient of restitution calculation of point impact.
摘要建立了一种计算点接触正碰撞恢复系数的理论模型。 - By using system vicissitude theory we can construct the general vicissitude theory model of our country accounting system.
摘要运用制度变迁理论，可以构建我国会计制度变迁的一般理论模型。
