“BIM”指建筑信息模型（Building Information Modeling），是一种建筑行业信息化方案，也是建筑行业的发展趋势。目前，有些软件都开始宣称其支持BIM功能，那么到底什么是BIM呢？　　下面引自美国佐治亚理工学院Chuk Eastman教授的一篇文章，很浅显地讲述了BIM的概念，由于篇幅较大且也比较易懂，就不翻译了^_^BIM is a huge buzzword in AEC. It shows up in every magazine; there are multiple conferences a year about it; software developers headline their products as BIM tools. What is it? How is it different? Why should an architect or contractor care about BIM?...