As a ship captain and skilled 23 cartographer, he filled in many gaps on world maps.

作为一名船长和经验丰富的绘图师，他为世界地图填补了很多空白。

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The site also has world maps that show the levels of availability of safe drinking water from country to country. Users can compare information from 1970 and 2002.

网站还提供显示各国安全饮用水级别的世界地图，决策者可对比查阅1970年至2002年有关安全饮用水的信息。

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To examine the global impact of acidification, the researchers developed a series of world maps to show current coal use, nutrient consumption, and copper production and smelting by country.

为检验酸性化过程对全球的影响，研究者们描绘出一系列世界地图来展示近期煤炭利用、营养消费和铜矿生产、冶炼的国家。

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Forty wall areas contain maps of the world as Italians believed it looked like in the sixteenth century.

VOA: special.2010.02.03

And last year to did we hand students Google maps, Google news, asked them to mash those two very familiar real world products together so that they had a map of the United States, little markers sprinkled throughout, that indicated exactly where there were current events going on.

去年我们给学生提供了谷歌地图和谷歌新闻，要求他们把这两个熟悉的实时世界,产品结合到一起，这样他们就有了一个美国地图,上面到处都是一些小图标，它们能够精确地标记出,当前事件发生的地方。

哈佛公开课 - 计算机科学课程节选

He included detailed drawings of maps,creatures,rulers, and even talking plants to help capture this imaginary world.

VOA: special.2010.04.14

He also gave his name to the standard way in which world maps were represented (the Mercator projection).

BBC: NEWS | UK | Wales | Scholar revives ancient subject

It featured on world maps and atlases for almost the entire 19th century.

WSJ: Lost in Our Maps: A History of Cartographic Catastrophes

Though most of their world maps before then showed only Europe, Africa and Asia, a few added a fourth continent.

ECONOMIST: Modern man knows where he stands. His map tells him