A.等幅的振蕩 B.發(fā)散的振蕩 C.收斂的振蕩 D.恒值
A.w(t)=1-e- t/T B.w(t)=1-Te- t/T C.w(t)=-e- t/T D.w(t)=(1/T )-e- t/T
A.-7B.-3.5C.-14D.-1/7