A list of symbols used on the map is given in the index.

这份地图所使用的符号全部列在索引中。

《牛津词典》

Fred Brooks: I collected maps as a kid. I had tried all kinds of ways to index my map collection, which got me interested in the notion of automatic data retrieval.

布鲁克斯：我从小就爱收集地图，为了给这些地图做索引，我曾尝试了各种各样的方法，在这种不断的尝试过程中，我对自动数据检索的概念产生了浓厚兴趣。

youdao

This method creates an effective site map for search engine spiders to traverse and index as many URLs as possible in your entire site.

此方法会创建一个高效的站点地图，以供搜索引擎爬网程序在您的整个站点中遍历尽可能多的URL并针对这些URL建立索引。

youdao

View the index on a map to find the billionaire nearest you and invite him or her over for tea.

CNN: Hidden gems of the Webby Award nominees

On a map of the world using the Brookings index of weak states, the epicentre is self-evidently sub-Saharan Africa, particularly around Congo, with blobs of red in Iraq, Afghanistan and Myanmar.

ECONOMIST: Failed states: Fixing a broken world | The