强非线性多自由度自治系统  strongly non-linear autonomous systems with multi-degrees of freedom

设计自由度  Design freedom

自由—自由模态试验  free-free modal test

自由－自由吸收系数  free-free absorption coefficient

自由－自由跃迁  free-free transition; free free transition; Transition; free-free

自由-自由跃迁吸收截面  free-free absorption cross section

高度计算计  elevation computer

1/2汽车四自由度系统  four freedom half model of an automotive system

12自由度  12 degree of freedom DOF

15自由度  15 DOF

2自由度  2-Degree-of-freedom; Two Degree of Freedom

2自由度PID  2-DOF PID; two degree-of-freedom PID

2自由度控制  Two-degree-of-freedom

2自由度内模控制  two degrees of freedom internal model control

3自由度移动机器人  3-DOF mobile robot; 3-degrees-freedom mobile robot; mobile robot with 3 degrees of freedom

3自由度运动平台  DOF motion platform

4自由度  4-DOF; 4 degree of freedom

4自由度机械手  4DOF manipulator

4自由度模型  4 DOF model