On the roadside, labourers are building an elaborate 10m-high steel and concrete map of the world topped by giant red characters declaring: "Construction of a New Airport City for the Capital.

在道路两旁，工人们正在搭建一幅精心制作高达10米的钢铁混凝土的世界地图，置顶的是几个巨大的红字：为首都建设新空港城。

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Or a construction worker could work without ever reaching for a building map.

再比如，建筑工人在工作中无需再翻看建筑图纸。

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Theygotdown to map out a plan for the construction of a new express way.

他们开始着手制定新高速公路的建造计划。

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Without the level, we couldn't engage in precision construction, build things like high-rises or accurately map our world.

FORBES: No. 18 The Level

Due to the large volume of data and detail in a traditional map pack, updates are usually done about twice a year, meaning high-construction areas can become terribly inaccurate before your maps company gives you a fresh edition.

ENGADGET: Toyota's "Map on Demand" a world's first