这份地图所使用的符号全部列在索引中。

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

《牛津词典》

信件和插图占据了五卷书；第六卷为评论、地图和索引。

Letters and illustrations fill five books; the sixth has commentaries, maps and indexes.

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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。

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.

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