three joints type goniometer 释义三关节角度计 ; 三关节角度计
four joints and three regions 四关三部
three universal joints 三联万向节
There can be one, two or three joints of casing used for this purpose.
为满足这一目的，可能需要放置一根、二根或者三根浮动接头。
In the multi-joint type, the joint structure RRR is selected as the component form of the first three joints, which is silimar to human's arm.
根据机器人的工作空间形状与大小，选定类人手臂的RRR构型为前三个关节组成形式；
He places sensors and cables in the molds and then pours in layers of three types of plastic with varying degrees of softness — for fingers, joints, and finger pads.
他将传感器和电缆置于模具中，然后分别为手指、指关节和指肚倒置3层软度各有差别的不同类型的塑料。
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