The mark phase is responsible for tracing through all objects visible to the application and marking them as live to prevent them from having their storage reclaimed.

标记阶段负责跟踪应用程序可见的所有对象并将它们标记为活的，以免回收它们的存储。

youdao

Lastly, genetical research, such as individual identifying mark and tracing study after sending back, is also foreseeable.

最后，放归前所必须的遗传学研究，个体识别标记以及放归后的追踪研究，也都是可以想像的。

youdao