radius arm的意思|示意

Behind this bone, the radius - a lower arm bone in line with the carpometacarpus - was unusually thick compared to the relatively slender companion bone, the ulna.

在这块骨骼后面，桡骨——下臂与手carpometacarpus的联接部分——要比尺骨厚的多(与桡骨类似但相对较细的部分)。

The articulation of the radius and ulna in the arm is a pivot joint.

手臂桡骨和尺骨的连接关节是一个枢轴关节。

This setup shows the radius on the end of the rocker arm brackets being cut using the rotary table.

这表明，半径设置的结束摇臂括号被削减使用转盘。