A computer model of category index for Chinese thesaurus is designed by using a tree structure in this paper.

本文运用树形结构原理，对汉语主题词范畴索引进行了计算机模型设计。

youdao

It stores recipes and organizes them by category and index.

它通过分类和索引来存储和组织食谱。

youdao

Browse each category to see the hierarchy of general tasks and their supporting child tasks, or use the powerful search and index functions to browse information by keyword.

浏览每一个类别以查看通用任务及其支持子任务的层级结构，或者使用强大的搜索以及索引功能，来通过关键字浏览信息。

youdao

The business of daily deals created dozens of clones, but is too new for us to have created a category in our Customer Loyalty Engagement Index to measure them.

FORBES: Have I Got a Deal For You!

Our Customer Loyalty Engagement Index covers the automotive category and we have lots of attributes, benefits, and values (including options), so usually we can accurately predict what percent-contribution a change to a car can make to engagement, as we did years ago with the 4th door on the minivan.

FORBES: Being Thoroughly Awake to Your Automotive Options

We stopped measuring them as a Retail Category in our annual Customer Loyalty Engagement Index last year.

FORBES: Office Depot To Buy OfficeMax? And Then There Were Two.