此方法会将加入的项目和全域范围重设回它们的原始状态。

The method resets the added items and the global scope back to their original state.

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J2EE规范定义的安全域范围内单点登录在使用中存在很多不便等。

The SSO in the scope of the security domain defined in J2EE specification was inconvenient.

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类别中的变数栏位与全域或函式变数类似，但它只能在类别范围中作用，而且可以具有控制可视性与用法的不同属性。

A variable field in a class is similar to a global or function variable, except that it is scoped to the class and it can have various attributes governing its visibility and usage.

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