We must first understand that the GC not only manages objects but also maintains a separate reference object to the actual object.

我们必须首先理解这个GC不仅管理对象，而且还会维护对实际对象的一个单独的引用对象。

youdao

This client also has an adminobject element that maps the TradeStreamerTopic reference to its actual destination.

此客户端也有一个adminobject元素，该元素将TradeStreamerTopic引用映射到其真正的目的地。

youdao

For reference, the actual blog Posting process is a single call to the PostIt function.

实际的blog发布过程是对PostIt函数的调用。

youdao

Although the report makes no reference to an actual arrest, it is better than I had hoped.

WSJ: A Walk on the Dirty Side of Politics: 'Can You Tell Me a Little About Your Ex-Husband?'

Each missile comes with a terrain contour matching radar, which compares a stored map reference with the actual terrain to fix the missile's position.

BBC: Tomahawk cruise missile

So, your understanding seems to be based on a misreading of the title and assumptions based on that, rather than on reference to the actual content of the article.

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