The Hall of Imperial Peace (Qin'AnDian), is the main structure in the garden and the only one on the central axis - it stands in the center of the garden, encircled by a rectangular wall.
In this paper, a theoretical study for the local buckling of the concrete filled rectangular steel tube subjected to axis force is presented.
本文对矩形钢管混凝土轴压柱钢管壁的局部屈曲性能进行了理论分析研究。
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In the rectangular coordinate system, we express the electric field intensity and different position electric field energy of the elliptical ring with positive electric charge in the central axis.