With evolution, most of NTN's effort has been changed into the manufacture and sales of bearings, constant velocity Joints (CVJ) and precision machinery since the joint-stock reform in 1934.
随着事业的逐步扩大，1934年，NTN进行了股份制改制，公司主要从事轴承，等速万向节，精密机械等的生产以及销售业务。
Presented is an analysis of the motion transmitting characteristics of constant velocity joint (CVJ) and Cardan joint when the axes of the joints move arbitrarily in the constraint permitted space.
研究并基本解决了轴线相交且做允许的任意空间运动时等速万向节和十字轴式不等速万向节的运动传递特性的分析问题。
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