This thesis developed a biped dancing robot with 15 DOF independently which consists of legjoint, ankle joint, crotch joint, waist joint, shoulder joint, elbow joint, neck joint and so on.
本文基于单片机自主开发了一个双足15自由度舞蹈机器人，包括腿、踝、胯、腰、肩、肘和颈等关节。
2
Researchers now report just such a discovery: the joint of a beetle leg that turns inward and outward like a screw.
现在，研究人员正是关于这样一个发现做出报告：甲虫肢体关节内外旋转和螺丝的原理异曲同工。
3
If your foot is at a right Angle to your outstretched leg and does not dangle, you have a low ankle-joint axis and will be more comfortable in flat shoes than in high heels.