SOX is an alternative (71) for XML. It is useful for reading and creating XML content in a (72) editor. It is then easily transformed into proper XML. SOX was created because developers can spend a great deal of time with raw XML. For many of us, the popular XML (73) have not reached a point where their tree views, tables and forms can completely substitute for the underlying (74) language. This is not surprising when one considers that developers still use a text view, albeit enhanced, for editing other languages such as Java. SOX uses (75) to represent the structure of an XML document, which eliminates the need for closing tags and a number of quoting devices. The result is surprisingly clear.

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SOX is an alternative (71) for XML. It is useful for reading and creating XML content in a (72) editor. It is then easily transformed into proper XML. SOX was created because developers can spend a great deal of time with raw XML. For many of us, the popular XML (73) have not reached a point where their tree views, tables and forms can completely substitute for the underlying (74) language. This is not surprising when one considers that developers still use a text view, albeit enhanced, for editing other languages such as Java. SOX uses (75) to represent the structure of an XML document, which eliminates the need for closing tags and a number of quoting devices. The result is surprisingly clear.

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从数据库管理系统的角度看，数据库系统通常采用如图2-10所示的三级模式结构。图中①②处应填写(52)，③处应填写(53)。

某单位内部局域网中，客户机通过基于Windows操作系统的代理服务器访问Internet的连接方式如图 2-11所示。地址为192.168.1.100的客户机配置“TCP/IP网络属性”时，其中“网关”的设置内容应是(69)。该客户机访问Internet时，经由代理服务器后数据包的源地址为(70)。

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