aff是什么意思
aff【医】【=allogenic effect factor】异基因效应因子
Some New Conclusions on the Aff in e Transformation in Plane Field
平面场仿射变换的若干新结论
The second AFF took place this time last year amid global economic turmoil.
去年的这个时候，第二届亚洲金融论坛在全球经济不景气的背景下召开。
The only thing special is the AFF logo in the middle.