CDI包含一个cdi容器服务，该服务根据应用程序作用域声明自动管理作用域；容器根据需要创建和销毁CDI bean。

CDI includes a CDI container service that manages scope automatically depending on the application scope declaration; CDI beans are created and destroyed on demand by the container.

youdao

为阐述该机制的功能，Ruby语言本身使用sticky属性来声明private、protected和public类作用域修饰符。

To illustrate this mechanism's power, the Ruby language itself USES sticky attributes to declare private, protected, and public class-scope modifiers.

youdao

所有这四个变量都是在循环外声明的，尽管它们仅在循环内部使用，但作用域不止于此。

All four variables are declared outside the loop and therefore have excessive scope even though they're only used inside the loop.

youdao