例句與造句

1. We confine ourselves here to the case where surface tractions are prescribed .
   在這里我們只研究面力為給定的情況。
2. We have shown surface tractions on three rectangular boundary surfaces of the body .
   在這個單元體的三個互相垂直的邊界上，我們指明了作用在這些邊界面上的面力。
3. It's difficult to find surface traction in a sentence. 用surface traction造句挺難的