second order differential equation 二阶微分方程 second order effect 二次项效应 second order linear differential equation 二阶线性微分方程 ..
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... 次级消光 secondary extinction; 次级效应 second order effect; 次级谐振 secondary resonance; ...
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... 电级效应 polar effect 二级效应 second order effect; second-order effect; secondary effect 高级效果 advanced effects ...
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second-order effect 二阶效应 ; 二级效应
gravity second-order effect 重力二阶效应
flexure second-order effect 纵向挠曲二阶效应
cascaded second order effect 二阶串级效应
second order effect coefficient 二阶效应系数
second-order zeeman effect 二级塞曼效应
second-order stress effect 二阶应力效应
effect second-order 次级效应
In this paper,according to equivalent principle,Second order effect of structures is transformed into negative stiffness,and a braced frame system is equivalent to the model of bending-shear formes through compound method.
通过一定的等效原则，将结构的二阶效应转化为结构的负刚度，并通过合成法将框架-支撑体系等效为一根剪切型悬臂柱和弯曲型悬臂柱的并联等效模型。
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Traditional analyses of gravity second order effect for tall concrete structures are basically approximate. This approximate method will bring obvious errors.
传统的高层混凝土结构重力二阶效应分析大多是近似方法，对于实际高层结构，这种近似分析方法会带来较大差错。
A model for simplified second order analysis of the double resistance to lateral force system is built on the basis to transform second order effect into negative stiffness.
为简化双重抗侧力体系二阶分析，将结构的二阶效应转化为结构的负刚度，从而建立分析模型。
Making use of equivalent principle of second order effect, the load on middle stories is converted into that at top and the approximate formula for the critical load of the system is suggested.
利用二阶效应等效的原则，提出将中间层荷载等效为柱顶荷载的近似折减方法，提出结构稳定承载力的近似公式。
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