Unas乌纳斯
unaabbr.(英国)联合国协会(=United Nations Association)Una.n.尤娜(女子名)
unattributed pointer无归属指针
unapprehended theory[法] 尚未被理解的理论
unamortized discount[经] 未摊还折扣
unappropriated goods[经] 未经确定的货物
unaddressed envelope[法] 无地址的信封
unary minus operator一目减算符
unappropriated income收入未分配数
unamplified back bias非放大回授偏压