Store that string away in a request scope.
将该字符串另存到一个请求范围内。
Use it to create a unique scope key for this request scope.
使用它为请求范围创建惟一的范围键。
If a bean has a request scope, it is instantiated on receipt of every request.
如果一个bean含有request作用域，它会在收到请求时被实例化。
After the request scope has ended, their individual object managers must release them.
在这个请求范围结束之后，它们各自的对象管理器必须释放它们。
After the request scope has ended, their individual object managers must release them.
在这个请求范围结束之后，它们各自的对象管理器必须释放它们。
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