fractional ppb分数ppb
fractionaladj.微不足道的;断片的;分数的;小数的
fractional horsepower induction motor分马力感应式电动机
Fractional-Orbit Bombardment System部分轨道轰炸系统
fractional horse power induction motor分马力感应电动机
fractional differential cover operator掩模算子
fractional efficiency by particle size分粒径计数效率
fractional-order Wigner distribution分数阶Wigner分布
fractional semi-infinite programming分式半无限规划
fractional - N frequency synthesizer小数频率合成器