将土反力矩阵与梁单元刚度矩阵迭加，形成修正的梁单元刚度矩阵；
The soil reaction matrix is added to beam element stiffness matrix, and modified beam element stiffness matrix is formed.
科学家们发现，在旋转之后，所有这些动物都使用一种叫做“振动反力矩”的技术来恢复到原来的位置。
And they found that they all used a technique called flapping counter-torque to recover from a turn.
应用推荐