We'll see how they can be used in menus and toolbars, as well.
我们将看到如何在菜单和工具栏中也使用它们。
Generally, menus, toolbars, and shortcuts must refer to actions that the application developer has already contemplated at compile time.
一般而言，菜单、工具栏和快捷键必须指向应用程序开发人员在编译时已经预期到的动作。
XUL has the ability to create elements such as input controls, toolbars, menus, trees, keyboard shortcuts, and so on.
XUL能够创建多种元素，比如输入控件、工具栏、菜单、树状图、键盘快捷键等。
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