这是一个大概念，所以允许我分成两段来讲。

This is a large concept, so allow me to butcher it into two paragraphs.

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摘要：智能建筑是一个大概念。

Abstract: — Intelligent building is a big concept.

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机电设备安装是一个大概念，其涉及面很广，学科跨度大等特点。

Electrical equipment installation is a great concept, its range is very wide, discipline span etc. Characteristics.

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