然后，模拟生物神经的整合作用，在单关节运动控制系统的基础上建立了机器人双关节耦合控制系统。

Then, with the simulation of biological neural integration, this paper built a coupling control system of a single robot leg of two joints based on the single joint control system.

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韧带与肌腱通常会限制关节的活动，但是对于某些人来说，这些结缔组织非常灵活，能做出更大范围的运动，也就是我们所称的“双关节”。

Ligaments and tendons usually restrict the movement of the joint, but in some people, these normally restrictive tissues can be quite flexible and allow the extra movement we call "double-jointed."

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