IOR中嵌入的是type_id、IIOP版本、主机地址和端口号，以及对象键。
Embedded within the IOR is the type_id, IIOP version, the host address and port number, as well as an object key.
如果需要从sugar导航回主机，使用Ctrl - alt组合键。
If you need to navigate away from Sugar back to the host, use the Ctrl-Alt key combination.
缺省呈现为主机应用程序提供了一种合理的Web表示方法，它把功能键和选择列表映射到Web链接，并不加修改地将主机字段显示出来。
Default rendering offers a reasonable Web presentation of a host application by mapping function keys and selection lists to Web links, and displaying the host fields without change.
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