roof surface

The features of the eaves polygons the roofing cross-lines, the dinations of cross-lines,the roofing vertexes,the roofing polygons and the drawing method about straight projection drafting of the roofing with the same slope are stated in this paper.

本文阐述了同坡屋顶的屋檐多边形、屋面交线、交线倾角、屋面顶点、屋面多边形的特征及正投影图的画法。

The microclimatic observation was conducted over the rooftop in the urban and in the suburban of Kunming City of P.

本文以低纬高原城市昆明城区为研究对象，利用城内外屋顶面附近的风·温实测资料，分析了研究较少的，做为城市第二热力面的城市内外屋顶附近的风·温特征、变化规律及其差异，得到了一些有益的结果，可为探讨城市区域内屋顶面对城市气候形成的作用和机制、城市气候的深入研究，以及城市建筑的规划、设计提供依据。