The report format includes an overview image of the map, single-page images of map sections, and descriptive details about the map and its elements.

报告格式包括示意图的一个概览图像、示意图区域的一些单页图像以及关于示意图及其元素的描述性细节。

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The poster format includes a single-page overview of the map, which you can use as a guide for assembling the map sections that appear on separate slides.

海报格式包括示意图的一个单页概览，可用作一个指南来组装单独的幻灯片上出现的示意图区域。

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You can see how the topic map is like a table of contents containing four sections.

下面您可以看到主题图是多么类似于一个包含四部分的目录表。

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If you follow a road, the M1 for example, along its length, the map will automatically load new crash locations as fresh sections of the map are loaded.

BBC: Crash: About the road fatality data