mechanical accessory的用法和樣例：
例句
- This method adequately utilizes the characteristics of mechanical components, so that it has good retrieval performance.
該演算法充分利用了機械零件自身的特點，有較好的檢索性能。 - To solve the problem of quadric surface reconstruction in reverse modeling for mechanical parts, a two-step fitting algorithm was presented.
摘要針對機械零件反求建模過程中常見二次曲面的表面重建問題，提出了曲面擬合分步計演算法。
