例句與造句

1. this dissertation studies mainly approximations to special classes of set-valued maps and their applications, in order to compute differentials of some class of set-valued maps and to solve basis theories of constructing high-ordered methods of nonsmooth functions . then results obtained in this dissertation are applied to optimality theories in optimization
   本文針對研究非光滑函數的高階算法的理論基礎和集值映射的微分的計算的課題，主要研究幾類特殊類型的集值映射的(方向)導數的計算與近似，并將得到的結果應用到優化的最優性理論中。
2. It's difficult to find computing differential in a sentence. 用computing differential造句挺難的