The beams are principally suffered with moment and shear force and the columns principally suffered with moment and axial force under basin-shaped settlement.
“盆式”沉降使上部框架梁主要受剪力和弯矩作用，框架柱主要受轴力和弯矩作用。
On the base of the settlement pattern study achievements an Neolithic age by stages, the study analyses the settlement pattern's space-time changes in Dongting Lake Basin.
在国内外聚落形态研究的成果和新石器时代文化遗址分期的基础上分析洞庭湖流域聚落形态的时空变迁。
During the period, in the sphere of Dongting Lake Basin, settlement had been a basic life-style, but the society wasn't divided, human society lied in almost equal social period.
这一时期，洞庭湖流域范围内，定居已经成为一种基本的生活方式，但社会尚未分化、分层，人类社会处于大体平等的社会时期。
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