📄 软考英语精典短文每日一练(2006-07-17).htm
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主题:软考英语精典短文每日一练(2006-07-17)</STRONG></TD></TR>
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<TD width=64>作 者</TD>
<TD width=233>syhnjs</TD>
<TD width=63>阅读次数</TD>
<TD width=85>757</TD>
<TD width=63>回复次数</TD>
<TD width=85>8</TD></TR>
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<TD width=64>所属栏目</TD>
<TD width=233>基础应用与新手入门>> IT英语</TD>
<TD width=63>发表日期</TD>
<TD width=85>2006-7-17</TD>
<TD width=63>回复日期</TD>
<TD
width=85>2006-8-16</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
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href="http://po.csai.cn/write_shortmess.asp?func=0&username=syhnjs"
target=_blank>syhnjs</A><BR><IMG alt=等级2
src="软考英语精典短文每日一练(2006-07-17)_files/top-2.gif"><BR>
<DIV class=userInfoBox>积分:4267<BR>第二级</DIV>
<DIV class=userInfoBox>注册时间<BR>2003-4-4</DIV></DIV></TD>
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<DIV class=TitleInfoBox align=right>发表时间:2006-7-17 17:46:12 楼主</DIV>
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<DIV id=cont_right style="WIDTH: 495px">XML Schema<BR><BR>XML Schema is an
XML Schema Language for XML. After XML's success for B2B applications, it
quickly became apparent that XML's built-in XML Schema Language, the DTD,
did not meet the requirements of application developers. XML Schema has
thus been standardized by the W3C and extends DTD considerably, in
particular with a type system supporting type derivation, and with a
number of built-in simple types (such as integer, float, date, and time).
While XML Schema is much more powerful than DTDs, it is also much more
complex, but it is very likely that over time XML Schema will replace
DTDs.</DIV></TD></TR>
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<DIV align=center><A class=chinablue title=给他/她留言
href="http://po.csai.cn/write_shortmess.asp?func=0&username=syhnjs"
target=_blank>syhnjs</A><BR><IMG alt=等级2
src="软考英语精典短文每日一练(2006-07-17)_files/top-2.gif"><BR>
<DIV class=userInfoBox>积分:4267<BR>第二级</DIV>
<DIV class=userInfoBox>注册时间<BR>2003-4-4</DIV></DIV></TD>
<TD class=bbsmain style="WORD-BREAK: break-all; WHITE-SPACE: normal"
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<DIV class=TitleInfoBox align=right>发表时间:2006-7-18 15:16:44 第1楼</DIV>
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<DIV id=cont_right style="WIDTH: 495px">XML Schema是一种针对XML而开发的XML
Schema语言。当XML在B2B中获得成功的应用后,由于DTD不能满足应用程序开发者的需要,很快的在XML中内嵌入XML
Schema语言是显而易见的了。XML Schema的规范有W3C指定,在相当的程度上拓展了DTD,特别是使用一个类型系统支持类型起源,同时XML
Schema内嵌了一系列的简单类型(例如整型、浮点型、日期型、时间型)。显而易见随着时间的推移,当XML
Schema比DTD更加强大时,它会变得更加负责,但是最终将替代DTD。</DIV></TD></TR>
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<DIV align=center><A class=chinablue title=给他/她留言
href="http://po.csai.cn/write_shortmess.asp?func=0&username=syhnjs"
target=_blank>syhnjs</A><BR><IMG alt=等级2
src="软考英语精典短文每日一练(2006-07-17)_files/top-2.gif"><BR>
<DIV class=userInfoBox>积分:4267<BR>第二级</DIV>
<DIV class=userInfoBox>注册时间<BR>2003-4-4</DIV></DIV></TD>
<TD class=bbsmain style="WORD-BREAK: break-all; WHITE-SPACE: normal"
vAlign=top align=left height=70>
<DIV class=TitleInfoBox align=right>发表时间:2006-7-18 15:18:23 第2楼</DIV>
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<DIV id=cont_right style="WIDTH: 495px">相关知识:<BR><BR>XML Schema
包含PSVI<BR><BR>XML Schema 是基于XML XML Infoset XML Namespaces
XPath的<BR><BR>XML Schema 是<BR><BR>CRVX DFDL DFXP EML JAXB MADS METS MIX
MODS MSL WS-CDL WSDL xAL XER XJ xNAL xNL XSCS XSOM的基础<BR><BR>XML Schema
可用MSXML Xerces XML Spy这些工具实现<BR><BR>XML Schema
权威定义详见http://www.w3.org/XML/Schema<BR><BR>XML Schema
的拓展说明见<BR><BR>http://nwalsh.com/xml2001/schematownhall/<BR><BR>http://www.techquila.com/topicmaps/xmlschema/</DIV></TD></TR>
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