Short legs, arm length, head forward.

腿短臂长，头部前倾。

This is another friend arm length, two arms lengths.

这是另一个朋友的手臂长度，两只手臂的长度。

You have the same arm length from the friends in front and back of you.

你与来自前后的朋友们都有相同的手臂长度距离。

Can customize arm length or electrode form according to customer's needs.

可根据用户要求定制电极臂长度或电极形状。

So what happens? These are your tip of fingers, so this is your arm length.

所以发生了什么？这些事你的手指尖，所以这是你的手臂长度。