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。
Scope (request/session) specifies where to look for the object.
Scope （请求／会话）指出到哪里查找对象。
Scope (request/session) specifies where to look for the object.
Scope （请求／会话）指出到哪里查找对象。
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