mark scan

基本解释

With Barcode Hero, this means seeing everything your friends scan, mark as owned, or suggest.
条形码大师的存在使得人们能够看到他们的朋友扫描、评论和标记的任何商品。
Given that time limitation, I advice students to skim and scan, mark the keywords, read the questions then check them out.
在读这样的文章时候因为时间非常的有限，我建议考生从头到尾通读一遍，然后标出关键词，再对应下面的问题回头找相关的细节信息。
To move a document forward in the read station from one timing mark to the next so that a new line of characters is visible to the scan head.
在阅读机上向前移动文件，从一个时标移到下一个，以使扫描头可读取一个新的字符行。