例句與造句

1. Therefore it is started with the derivation of variational equation , full formulations including contact boundary conditions , internal forces of shell element are given , and the algorithms for contact - surfaces searching , contact - force computation , and even time integration for the response computation are listed as well
   為此，文中從推導(dǎo)變分方程開始，給出了包括接觸邊界條件、殼單元內(nèi)力計算在內(nèi)的全部列式，并列出了識別接觸界面的搜索算法，接觸力計算以及動力響應(yīng)計算的時間積分算法的有關(guān)公式等等。
2. It's difficult to find surface search in a sentence. 用surface search造句挺難的