介绍了用矩阵讨论刚体定点转动瞬轴的方法，在此基础上推导出转动瞬轴方程。
Studies application of matric method to deal with fixed point rotation of rigid body, and infers instantaneous axis equation.
对多轴膝关节进行了分析，提出了承重稳定裕度角、全伸展位绝对瞬心距和相对瞬心距的概念，用于评价下肢假肢的稳定性和相对稳定性。
Based on analyzing the knee joints of the four bar linkage, this paper presents the concepts of the stable well off angle, absolute and relative instantaneous distance.
用瞬子方法研究了外加磁场对单畴双轴反铁磁颗粒宏观量子效应的影响。
The effect of the external magnetic field on macroscopic quantum tunneling in biaxial single domain antiferromagnetic particles is studied with the help of the instanton method.
用瞬子方法研究了外加磁场对单畴双轴反铁磁颗粒宏观量子效应的影响。
The effect of the external magnetic field on macroscopic quantum tunneling in biaxial single domain antiferromagnetic particles is studied with the help of the instanton method.
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