4.已知系统开环传函为IG(s)=M(s)/N(s),则根轨迹的分支数是 ( )(本题2.5分)A.

4.已知系统开环传函为IG(s)=M(s)/N(s),则根轨迹的分支数是 ( )(本题2.5分)A. 1B. 2C. 3D. 4

查看答案