出于这个原因，必须跟踪对它们的引用设置的更改，如写入屏障一节所述。
For this reason, changes to their reference set must be tracked, as we discussed in Write barriers.
这些方面的一个关键职责是跟踪对象引用的链。
One of the key responsibilities for these aspects is to follow chains of object references.
全面的STW收集器具有以下优点：可以跟踪对象引用和JVM内部结构，应用程序不会干扰对象图中的链接。
Full STW collectors have the benefit of being able to trace through object references and JVM internal structures without the application perturbing the links in the object graph.
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