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。
The first and second markers will then meet to resolve any differences in their marking and agree a mark for every student.
然后第一阅卷人与第二阅卷人会就不同的评分进行讨论，以确定一个双方都同意的分数。
Our raster system divides one beam into two beams, making them intervened, which can get one face by one marking, improving speed a lot obviously, and it can mark even clearer figures.
我们的系统采用光栅来使一束光分成两束，让它们干涉，这样一次标刻的就是一个面，速度明显提高了很多，且标刻的图样也很清晰。
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