point contact的用法和樣例：
例句
- This paper presents a theoretical model for the coefficient of restitution calculation of point impact.
摘要建立了一種計算點接觸正碰撞恢復係數的理論模型。 - Secondly, the three nodes contact element obeying the elastic Coulomb friction constitutive model is presented.
並介紹了服從彈性庫侖摩擦本構模型的三結點接觸單元。 - The airlift contact oxidation process is the combination of airlift technology with contact oxidation method.
將氣提技術與接觸氧化法相結合而形成氣提式接觸氧化工藝。
