3.1 Building Systems(参考书P.32结构体系分类表3-1) Vertical Structures---Pay more attention on Overturn moment resisting Horizontal deflection control Horizontal Structures---Pay more attention on Bending moment resisting Vertical deflection control Spatial Structures---Pay more attention on Horizontal deflection control Vertical deflection control3.1 Building Systems (参考书P.32结构体系分类表3-1 ） Vertical Structures---Pay more attention on Overturn moment resisting Horizontal deflection control Horizontal Structures---Pay more attention on Bending moment resisting Vertical deflection control Spatial Structures--- Pay more attention on Horizontal deflection control Vertical deflection control