例句與造句

1. in this paper, we discusse the stability of perturtation of m-p inverses of closed operator function and then the stability of least square solution of elliptic partial differential equations of second order with unbounded coefficients
   本文討論了閉算子的m-p廣義逆的擾動,并由此討論首項系數(shù)本質(zhì)無界的二階散度型橢圓型微分方程的最小范數(shù)極小二乘解的穩(wěn)定性
2. It's difficult to find partial differential equation of second order in a sentence. 用partial differential equation of second order造句挺難的