When you expand the XForms (input) section, you see that the ref USES an XPath expression to point to the id element in the data instance (see figure 8).
当展开XForms(输入)部分时，将看到ref使用XPath表达式指向数据实例中的id元素(参见图8)。
The homepage ref attribute is specifically used to point to a Web URL so that a user may go to a Web page that provides more information about the application.
homepageref属性是专门用于指向WebURL从而用户可以去提供了关于应用程序的更多的信息的web页面。
For example, an external ejb reference (an ejb-ref in the deployment descriptor) in a Web application is tied to an actual deployed ejb component at this point — and no sooner.
例如，Web应用程序中的外部ejb引用(部署描述符中的ejb -ref)就是在此时被绑定到实际部署的ejb组件——而且是立即绑定。
Press source (ref) this voltage and the reference point to carry on the comparison, obtained the error voltage which enlarges.
将此电压与基准点压源(REF)进行比较，得到了被放大的误差电压。
Press source (ref) this voltage and the reference point to carry on the comparison, obtained the error voltage which enlarges.
将此电压与基准点压源(REF)进行比较，得到了被放大的误差电压。
应用推荐