UNCAC反腐败公约UNabbr.(=United Nations) 联合国pron.<口>人，事物，家伙，东西undifferentiated cell leukemia未分化细胞性血病unemployment insurance expense失业保险费Unclassified personality trait末分类的人格特性UN Angola Verification Mission联合国安哥拉检验使团unclassified view of education有教无类unbiassed regression estimator无偏回归估计量uncollectible notes receivable[经] 无法收现的应收票据uncreped throughdrying process无皱穿透干燥工艺Unna's alkaline methylene blue调谐式射频接收机Unpeopled Arctic wastelands.无人居住的北冰洋荒岛