Urban spatial data infrastructure is the core of the basic layer of digital city.

城市空间数据基础设施是数字城市基础层的核心。

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We'll also use 3 basic layer styles: multiply for shadows, overlay for lights, and normal for final opaque details.

我们还将使用3个基本图层样式：对繁殖阴影，覆盖了灯光和正常的最终不透明的细节。

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The design of the Digital City is divided into four levels: basic layer, meta-data layer, the management application layer.

该设计中的数字城市分为四个层次：基础层、元数据层、管理层、应用层。

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Needless to say, they decided to scrap that plan and build the puzzle mechanics of Portal 2 with the same basic mechanic as the original and layer new mechanics on top.

FORBES: Portal 2 Originally Didn't Have Portals

The most basic version of the battery used magnesium for the top layer and antimony for the bottom layer.

BBC: Liquid metal promise for future batteries