自由态-自由态能级跃迁  free-free energy transition

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

溶解自由焓  free enthalpy of solvation

束缚态-自由态  bound-free

束缚态-自由态能级跃迁  bound-free energy transition

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

固溶溶解度  solid smokeless fuel

浓度溶度积  concentration solubility product

气体溶解浓度  gas supersaturation

液态溶解度  liquid miscibility; liquid solubility

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