【单选题】17 / 43双曲线传递函数形式为?Af(S)=aS/(b+S)f(S)=aS/(b+S)f(S)=aS/(b+S)正确Bf(S)=a+bSf(S)=a+bSf(S)=a+bSCf(S)=S2f(S)=S^2f(S)=S2Df(S)=1/Sf(S)=1/Sf(S)=1/S参考答案A参考解析f(S)=aS/(b+S)。