Objects that are unmarked at the end of the mark phase are unreachable by the application (dead) because there's no path from the root set through any series of references to find them.

标记阶段最后也没有标记的对象是应用程序不可获得的对象(死对象)，因为不存在从根集经过任何引用序列找到这些对象的路径。

youdao

In the mark phase, all the "live" objects are added to mark vector.

在标记阶段，将所有“活的”对象添加到标记向量。

youdao

Root structures are scanned as part of the initial function of the mark phase in the collector.

根结构被作为收集器中标记阶段初始功能的一部分进行扫描。

youdao

Even if this phase does mark an end to the fighting, civilians caught up in the battle still face a dicey future.

ECONOMIST: Sri Lanka

But maybe projects like this mark the next phase of Internet fanaticism: Digital archeology.

FORBES: Resurrecting 'The Deleted City' Of The Internet's Early Pioneers

With only 61 days remaining before the election, each week could feel like a month and mark a new phase in the campaign.

CNN: A strong showing, but long road ahead