This is done with external values and internal object fields.

这可以通过外部值和内部对象字段来实现。

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The below image explains how the internal object model looks like for an ASP.NET request.

下图解释了ASP.NET请求的内部对象模型。

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The implementation of WeakHashMap illustrates a common idiom with weak references — that some internal object extends WeakReference.

WeakHashMap的实现展示了弱引用的一种常见用法——一些内部对象扩展WeakReference。

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The implementation of WeakHashMap illustrates a common idiom with weak references — that some internal object extends WeakReference.

WeakHashMap的实现展示了弱引用的一种常见用法——一些内部对象扩展WeakReference。

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