我们首先来看看下面有关各地地域风格的建筑物的两幅图片:通过观察和比较我们不难发现,除了建筑材料、外形结构、地域风格的不同以外,最明显的不同就是屋顶的坡度不同.为什么北欧民居的屋顶坡度要大,而中国民居屋顶的坡度较小?在解决这个问题之前,我们再来看一则材料:【材料展示】“平改坡”减小压力2008年1月中旬至2月上旬在我国南方地区发生了50 Let’s first take a look at the following two pictures of the regional buildings of different regions: Through observation and comparison, it is not difficult to find that the most obvious difference is the difference in slope of the roof, except for the differences in building materials, exterior structure and geographical style. Why do the rooftops of northern European houses have a steep slope and the roofs of Chinese houses have a small gradient? Before we tackle this issue, let us look at one more piece of material: [Material Exhibition] “Slope Improvement” to Reduce Stress Mid-January 2008 Occurred in early February in southern China 50