By extending stiffness coefficient into stiffness matrix, the deformation and elastic force of tensile-spring coincides with Lorentz transformation.
通过把劲度系数扩展为矩阵形式，拉伸弹簧的形变与弹力在罗伦兹变换中得到了统一。
Elastic resistant coefficient, deformation and compressive moduli of surrounding rock in large-section loess tunnel are very important for design of tunnel.
对于高速铁路大断面黄土隧道严格的设计计算而言，黄土隧道围岩的弹性抗力系数、变形模量和压缩模量十分重要。
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