國際語言環境指南
    
U
 
 UIL ( Index Term Link ) ( Index Term Link )
 
 Unicode
  十六進位輸入模式 ( Index Term Link ) ( Index Term Link )
  概述 ( Index Term Link ) ( Index Term Link )
  轉換模組 ( Index Term Link ) ( Index Term Link )
 
 UTC ( Index Term Link ) ( Index Term Link )
 
 UTF-8, 支援 ( Index Term Link ) ( Index Term Link )