A.h(t) = e t u(t) e -2t u(t)B.h(t) = e -t u(-t) e -2t u(t)C.h(t) = u(t)D.h(t) = e -t u(t) e -2t u(t)
A、h(t) = e t u(t) e -2t u(t)
B、h(t) = e -t u(-t) e -2t u(t)
C、h(t) = u(t)
D、h(t) = e -t u(t) e -2t u(t)
发布时间:2025-07-17 07:38:25
A、h(t) = e t u(t) e -2t u(t)
B、h(t) = e -t u(-t) e -2t u(t)
C、h(t) = u(t)
D、h(t) = e -t u(t) e -2t u(t)