例句與造句

1. Adaptation of the covariance matrix amounts to learning a second order model of the underlying objective function similar to the approximation of the inverse Hessian matrix in the Quasi-Newton method in classical optimization.
2. This susceptance element equivalent circuit ( SEEC ) model has the advantages of a reduced number of unknowns, only having to solve for E field components, and second order model order reduction techniques can be employed.
3. It's difficult to find second order model in a sentence. 用second order model造句挺難的