The calculation of rolling force of the three-roll planetary mill;
三辊行星轧机轧制力计算
The analysis of three-roll planetary mill rolling process by FME;
三辊行星轧机轧制过程有限元分析
Dynamic Test of Contact Tooth Pair Numbers of the N Type Involute Planetary Transmission with Minor Tooth Difference;
N型渐开线少齿差行星传动接触齿对数的动态实测
Correlation between spin angular momentums and background angular momentums of planets;
行星自旋角动量和背景角动量之间的相关性
Proving Keippler s 3 Laws of Planetary Motion;
开普勒行星运动三定律证明
By means of the Runge -Lenz s vector the problems of the planets motion around the sun are solved in classical and relativistic cases.
本文讨论了Runge-Lenz矢量的性质,并利用它求解经典情况下和狭义相对论情况下的行星绕日问题。
The whole field of planetary gear transmission is dealt -with.
(?)里基本上涉及了渐开线行星齿轮传动的整个领域。
The efficiency of planetary gear trains is discussed.
这里对NGW型行星齿轮机构的啮合效率进行了研究。
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