John Milton became blind at age 44.
查看答案
To win the career game, you need to develop strategies.
I didn’t realize its importance until that moment.
I saw Jerry about six months after the accident.
下列说法哪种是不正确的？
A.根轨迹是系统可调参数变化时对应开环极点变化时的轨迹图
B.根轨迹图是系统可调参数变化时系统闭环特征方程根的轨迹
C.根轨迹图是系统可调参数变化时系统闭环极点随之变化的轨迹图
D.根轨迹图是一种已知开环信息推知系统闭环特性的分析方法
微信支付 
支付宝支付