依据岩石圈弹性挠曲均衡补偿理论建立地形-均衡补偿重力、大地水准面异常的球谐级数表达式。

Base on theory of lithosphere elastic flexure isostatic compensation, the spheric harmonic series expressions of topography-isostasy compensation gravity and geoid are established.

youdao

作为计算埋地管道变形和强度的重要基础，给出了弹性地基梁的挠曲线微分方程(位移方程)。

As a important basis of calculating the distortion and strength of the buried pipeline, the paper gives out the space curve differential equations of elastic foundation-beam (displacement equation).

youdao

文中采用门式刚架作为算例，分别研究了弹性、塑性及不同初始挠曲对其稳定性的影响。

With a door rigid frame as example, the influence is analyzed of elasticity, plasticity and different initial bending on stability of the frame respectively.

youdao