hook face的用法和样例：
例句
- The paper introduces the principle of shaping high conic parts by using curved face transition method and the way to define the shape transition.
介绍了用曲面过渡法成形高锥形件的原理及确定过渡形状的方法。 - Theoretical analysis and experimental results show that this algorithm improves a lot on veracity of shape recovering and smoothness and continuity of the curved face.
理论和实验证明，该算法在恢复形状的准确性和曲面的光滑性，连续性上有较大改进。
