For example, a simple approach to classification might keep track of the words associated with a label, as well as the number of times those words are seen for a given label.
举例来说，一种简单的分类方法可以跟踪与标签相关的词，以及这些词在某个标签中的出现次数。
2
This is about the English literature to track moving target detection and classification of the article.
这篇英文文献是有关运动目标检测跟踪及其分类的文章。
3
Specific functions: to track the whole project, including the pre-customer orientation, product descriptions, classification of customer data.