stiffne matrix 刚度矩阵

stiffne modulus 劲度模量

stiffne coefficient 刚度系数

stiffne term 刚度项

stiffne method 刚度法

stiffne reactance 劲度力抗

stiffne meter 劲度计

secant stiffne matrix 割线刚度矩阵

tangent stiffne matrix 切线刚度矩阵