wall line

An analysis is carried out on the thermal insulation effects of concrete composite thermal-insulating blocks applied in roofs and exterior enclosure walls in areas with scorching summer and freezing winter.

对夏热冬冷地区混凝土复合保温砌块用于屋面和外围护墙中的保温隔热效果进行了分析,结果表明该复合保温砌块围护结构各项热工性能指标均符合地方节能标准,能有效提高室内舒适度,节能效果显著。

In this article,authors introduce the current situation and problems of non\|bearing walls of high\|rise buildings of China,and states selection principles and advice of non\|bearing exterior enclosure walls and interior partition walls.

介绍目前国内高层建筑中非承重墙的现状和问题 ,阐述非承重外围护墙和内隔断墙的选用原则和建

The distinguishing feature of the new method is that a complex object can be decomposed to several convex parts of the body, Then, the periphery of projection for the convex part of the body is found.

该方法的特点是将复杂形体分解成若干个基本凸体，并将凸体的外围线框找出，同时将待消隐线段与外围线框求交，并用交点将待消隐线段分解成若干段，每一段采用视线交点法消隐原理测试其可见性，从而达到对待消隐线段消隐的目的。