joint reaction force

例句：

1. 1. The joint reaction force between the two parts is crucial for the stability of the system.
   两个部分之间的关节反应力对于系统的稳定至关重要。
2. 2. The joint reaction force can cause significant deformation in the structure.
   关节反应力会导致结构产生显著的变形。
3. 3. In order to improve the performance of the robot, it is necessary to study the joint reaction force.
   为了提高机器人的性能，有必要研究关节反应力。