例句與造句

1. by use of-perturbation method with spatial discretization, the hydraulic transient system controlled by quasilinear partial differential equation was converted to a time-continuous linear system, so that the inverse problem of hydraulic transients under limited pressure could be sol ed with the optimal control theory for time-continuous systems
   采用-攝動法并經(jīng)過空間離散，將由擬線性偏微分方程控制的有壓瞬變流系統(tǒng)轉(zhuǎn)化為時間連續(xù)線性系統(tǒng)，從而使有壓瞬變流限壓控制反問題能應(yīng)用時間連續(xù)系統(tǒng)最優(yōu)控制理論來求解。
2. It's difficult to find continuous linear system in a sentence. 用continuous linear system造句挺難的