自由分布模式识别
free distributed pattern recognition
准自由涡速度分布指数
index of velocity distribution of quasi-freevortex
定压自由能
free energy at constant pressure
东盟自由贸易区
ASEAN Free Trade Area (AFTA
China-ASEAN Free Trade Area
AFTA: ASEAN Free Trade Area
冻结自由度
frozen in degree of freedom