In the method of calculation, the property of ellipse is used to build three equations to find out the size of major radius R and minor radius r of the ellipse, as well as the angle θ between the major axis and the X axis.
在计算法中,利用椭圆性质列三个方程,求椭圆长半径R与短半径r的大小以及长轴与X轴的夹角θ。
construction of the collapsible slab bridge on minor radius plane curve
小半径平曲线上装配式梁板桥的施工
stress improvement analysis of anti-collapse reinforcing steel bars to cured prestress concrete structure with minor radius
防崩钢筋对小半径曲线预应力混凝土结构受力改善的分析
application of articulation device of shield machine to excavation of tunnel with minor radius bend angle
盾构中折装置在小半径转弯施工中的应用
continuous construction of beam by minor radius prestressing forces
小半径预应力连续刚构梁施工
the design and construction of prestressed bending beam with minor radius
预应力小半径弯梁的设计与施工
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