Ungun温贡
UNabbr.(=United Nations) 联合国pron.<口>人,事物,家伙,东西
unclassified technical order一般性技术规程
undetected error probability漏检误差概率
UN nuclear monitoring agency联合国原子能监督机构
uncorrected retention volume未校正保留体积
undecatungstogalloindic acid11-钨镓合铟酸
unbalanced voltage condition电压不平衡
unblushing obsequiousness.不知害臊的阿谀逢迎
unharmonious labor relations不和谐劳动关系
undecided conductor boundary待定边界条件导体
unfavorable balance of trade入超,贸易入超,贸易逆差