geometric characteristics的用法和样例：
例句
- The geometrical characteristics analysis of grain is the important base of metallographical analysis.
晶粒的几何特征度量是金属性能分析的重要基础。 - Based on the geometry characteristics of Bertrand surfaces, the complicated surface conjugation issue can be discussed with their directrix line.
基于白川德曲面的几何特征，将复杂的曲面共轭问题归结到准线上来讨论。
