isovelocity相关论文
球叉式万向节是汽车万向传动装置中广泛使用的一种万向节,其等速性是学生学习中的重点和难点.通过提出传动工作面的概念,将等速性......
The Correlation of NT-Pro BNP with Echocardiographic Indices Including 3D Vena Contracta Width in th
Introduction: Mitral regurgitation (MR) is a common valvular disease that causes significant morbidity and mortality. Th......
本文分析了轴头式和凸块式万向节的运动特性,归纳了等速原理,探讨了各种万向节的演化。...