例句與造句

1. to acquire a smooth and exactitude surface created by reverse engineering, a study of the optimizing method in the establishment of the reverse curved surface is presented in this paper as follows : 1
   為了獲得光順、精確的反求曲面，本文對(duì)反求曲面建立中的優(yōu)化問(wèn)題進(jìn)行了研究，具體內(nèi)容如下：1
2. It's difficult to find reversing curve in a sentence. 用reversing curve造句挺難的