ball socket

基本解释

Failure analysis of ball-socket axis in prot crane shows that broken axis accident is caused by heat treatment residue stress.
由港口起重机球铰轴的失效分析结果表明热处理残余应力是引发断裂事故的根源。
Finite element software of ANSYS has been used for making a finite element analysis of a certain type of ball-socket nozzle′s pendulous socket in solid-rocket engine.
本文应用AN SY S有限元分析软件，完成了对某型号固体火箭发动机珠承喷管摆动接头的有限元分析。
Selection basis and method on allowable contact stress of rolling ball-socket nozzle were described. Based on empirical formula and test data, several factors affecting allowable stress were analyzed.
叙述了滚动球窝喷管在设计中许用接触应力的选择依据及方法，并根据以往的经验公式及其试验数据对影响许用接触应力的几个因素进行了分析。

Seeing exactly how certain joints work was a good refresher for me (remember learning the difference between hinged joints for the elbow, and ball-and-socket, like the hips?), and following the blood flow into and out of the heart always makes me wonder at the fine-tuned machinery of the human body.
FORBES: Google Body lets you explore what's under your skin