5.已知y(t) 5y() 6y(t)=2x(t) 8r(t),x(t=e-1(t,初态y(0)=3,y(0)=2 5.已知y(t) 5y() 6y(t)=2x(t) 8r(t),x(t=e-1(t,初态y(0)=3,y(0)=2 发布时间:2025-08-13 11:59:25