多关节的 meaning in English

polyarticular

But it is difficult to describe realistic multi - joint human motion , so 3d human reach - space has not been applied to ergonomics design effectively
然而多关节的人体运动难以描述，三维人体尺度还没有有效地应用于人机工程设计中。
Based on the features of the bipeds , the locomotion of the multi - joints in the multi - spaces was decoupled and the composed gait design was performed with the decoupled time - space method
基于双足机器人的步行特征，实施多时空和多关节的任务分离，进而实现多时空关节的步态分离规划。