document entity造句

• Table holds the document entities
  表保存文档实体。
• Table maintains the links from each document entity to the corresponding instance
  表维护从每个文档实体到对应的实例的链接。
• Unlike other entities , the document entity has no name and cannot be referenced
  与其他实体不同，文档实体没有名称，不能引用。
• If an entity is mentioned several times , each of the mentions references the same document entity
  如果多次提到一个实体，那么每次提到时都引用同一个文档实体。
• The mention and document entity information in all the cass has to be written to a structured database
  从文档集合中发现的信息上进行文本挖掘，所有cas中的提及信息和文档实体信息必须写入一个结构化数据库。
• The xml document has a logical structure composed of declarations , elements , comments , character references , and processing instructions and a physical structure composed of entities , starting with the root , or document entity
  Xml文档具有逻辑结构（由声明、元素、注释、字符引用和处理指令组成）和物理结构（由实体组成，开头是根实体，即文档实体） 。