请注意，每个对象引用(obj、rq及wr)都是强引用。

Note that each object reference, obj, rq, and wr, are all strong references.

youdao

您必须记住，要使用这些类，您就不能保留对对象的强引用。

You must remember that to make use of these classes you cannot maintain a strong reference to the object.

youdao

此外，这几个新的引用类都表现出比典型的强引用“更弱”的引用形式。

In addition, the new reference classes all represent a "weaker" form of a reference than the typical strong reference.

youdao

That's this powerful idea taken over from Locke by Jefferson in the Declaration.

这就是杰斐逊在《自由宣言》里所引用的,洛克的一个强而有力的主张。

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