directivity factor of loudspeaker  扬声器指向性因数

effective directivity factor  有效方向因子

Factor-Factor relation  要素间关系

acentric factor and configuration factor  偏心因子和构形因子

amplification factor [= magnification factor]  放大系数; 放大因数

factor of safety [= safety factor]  安全因素; 安全因数

factor VIII [=antihemophilia factor  第八因素缺陷

factor X [=Stuart factor  第十因素缺陷

factor XII [=Hageman factor  第十二因素缺陷

form factor [= wave form factor]  波形因素; 波形因数

frequency factor preexponential factor  频率因子; 指数前因子

frequency factor：preexponential factor  指数前因子

intrinsic factor and extrinsic factor  内外因素

measured factor and proportional factor  量化因子和比例因子

Nuclear factor (erythroid-2 related) factor 2  核转录因子Nrf2

Nuclear factor erythroid 2-related factor 2  核因子相关因子2

O factor oscillation factor  起伏因素

preexponential factor frequency factor  指数前因子; 频率因子

preexponential factor：frequency factor  频率因子