英语语法分析

Objective To get the geometric parameters of the articular surface of the trapeziometacarpal joint for dynamic analysis of the joint.

目的通过对拇腕掌关节面定点测量，计算弧长和曲率，为探讨拇腕掌关节的功能提供几何形态参数。

Objective To compare the effectiveness and complications of various surgical techniques in the treatment of the osteoarthritis of the trapeziometacarpal joint.

目的系统评价不同手术方法治疗拇指腕掌关节骨性关节炎的疗效和安全性。