SGML???? PowerPoint PPT Presentation

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Title: SGML????


1
SGML????
  • 2?8? 2306411
  • ?? ??

2
SGML??
  • Standard Generalized Markup Language
  • ???????????????????
  • ?????SGML????????????????????????????????XML????
    ???????????

3
SGML?????
  • ??????? ???????????????????

4
SGML?????
  • ??????? ?????????????????????????????????????????
    ????????????????????????????????????2?????????????

5
??1
  • ?????????????????????????????????

6
??2
  • ???????????????????????????????

7
3????
  • SGML??
  • DTD
  • ????????

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SGML?????????
  • ?????????????????????(????????????????????)
  • ?????????????????????(???????????????????)
  • ??????????????????(?????????????????????)

9
DTD?????????
  • ??????????????(???????????????????)
  • ????????????(?????????????????)

10
??
  • SGML????????????? ??????????????????????????????
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