语言选择:
免费网上英汉字典|3Dict

root node

资料来源 : Free On-Line Dictionary of Computing

root node
     
         In a {tree}, a node with no {parents}, but
        which typically has {daughters}.
     
        (1998-11-14)
依字母排序 : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z