T t y t r t e 静态误差： 跟随滞后时间； 当 T e t ) ( , 5.2一阶系统（first-order system）的瞬态响应 可见，系统对输入信号导数的响应，可通过 把系统对输入信号响应求导得出； 系统对输入信号积分的响应，可通过把系统 ...
A least-squares mixed finite element methods for the first-ordersystem formulation of second-order elliptic problems and a formulation for the infinite boundary conditions are presented.
研究了无穷边界的二阶椭圆问题，探讨了将其转化为一阶系统的最小二乘有限元逼近方法。
2
However, there is no such error in the first HIS system because there it is performed in the proper order.
但是，第一个HIS系统中不会出现这种错误，因为它在第一个HIS系统中是按正确顺序执行的。
3
The system has the great benefit of clarity, with the court ensuring that the creditors are paid in order of seniority, with secured lenders getting first cut.