This paper analyzes the changes in family size and its structure, and the characteristics of family lifecycle including six stages: formation, expansion, stabilization, contraction, empty nest and disorganization in Guangdong province.
本文分析广东省家庭户的规模和结构变化,以及广东家庭生命周期的形成、扩展、稳定、收缩、空巢和解体等六个阶段的新特点。
Based on analyzing the loading stress and the temperature stress ( including contraction stress and warping stress), a calculating method of the slab size is set up.
道面板的尺寸是由飞机荷载和温度(包括伸缩应力和翘曲应力)共同作用所决定的。
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