A、<span style="font-size: 16px;font-family: 宋体">系统有三支根轨迹</span><span style="font-size: 16px;font-family: 'Times New Roman', serif"> </span>
B、<span style="font-size: 12pt; font-family: 宋体;">系统有一条渐近线</span><span style="font-size: 12pt; font-family: 'Times New Roman', serif;"> </span>
C、<span style="font-size: 16px;font-family: 宋体">系统无渐近线</span><span style="font-size: 16px;font-family: 'Times New Roman', serif"> </span>
D、<span style="font-size: 16px;font-family: 宋体">系统有一支根轨迹</span><span style="font-size: 16px;font-family: 'Times New Roman', serif"> </span>
E、<span style="font-size: 12pt; font-family: 宋体;">系统渐近线是负实轴</span>
查看答案