您可以在Ajax通信中采用任何现有的、非ajax启用的JSF组件，方法是在其声明中嵌套a4j： support标记。

You can enlist any existing, non-Ajax enabled JSF component in Ajax communication simply by nesting an a4j: support tag inside of its declaration.

youdao

这意味着您只能在声明它的测试中引用该变量，而不是在其他测试之间引用它。

This means that you can reference this variable only in the test that it is declared but not across other tests.

youdao

继承抽象类的子类必须实现在其父类或自身中声明为抽象的所有抽象方法。

A child class that extends an abstract class must implement all abstract methods in its parent or itself be declared abstract.

youdao