No gravestone, no name, no identifying mark of any kind.

没有墓碑、没有姓名、也没有任何可供识别的记号。

youdao

Entries have to be in full colour and no signature, stamp or any other identifying mark is allowed anywhere on the entry.

参赛作品必须为彩色相片，姓名、图章或任何标志性的资料不得展示于作品内任何范围。

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

Second thing I want to note is, the little hash mark or the pound sign, that's identifying a comment.

我想要说的第二件事是，这个小斜杠或者是井字号，这是用来标注注释的。

麻省理工公开课 - 计算机科学及编程导论课程节选

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