旋转矢量法是研究谐振动的简洁而有效的方法。
Rotational vector is a simple and effective means of researching resonance.
在基本旋转矢量法的基础上，提出了多点旋转矢量优化方法。
A new proposal for multipoint rotate-vector optimization is presented based on the basic rotate-vector method.
由能量方程出发，引入新变量，用旋转矢量法讨论了三线摆大角度摆动时的周期。
New variable is introduced based on energetic equation, the period of vibration of three wire pendulum is studied using the method of rotating vector.
《医学物理学》课程中，简谐振动旋转矢量法的学习，仅靠静态图片不利于阐明其原理。
During the teaching of Medical Physics, it is difficult to describe harmonic vibration with rotation vector clearly just with some static pictures.
用单自由度系统的受迫振动和旋转矢量阐述了转子现场动平衡的单平面矢量法的原理。
The principle of vector method of single plane for spot balance of rotor has been present by forced vibration of single freedom system and rolling vector.
用矢量法导出了旋转驴头式抽油机悬点运动的位移、速度和加速成度的表达式。
With the help of the vector method, the general expressions for the displacement, velocity and acceleration of the polished nod on the swing horsehead pumping unit(SHPU)was introduced.
其次，基于CR列式法推导出了大旋转小应变空间杆单元及平面梁单元的内力矢量及切线刚度矩阵；
Then, based on the CR formulation, the internal force vector and tangent stiffness matrix of large rotation and small strain space bar and plane beam element are deduced.
其次，基于CR列式法推导出了大旋转小应变空间杆单元及平面梁单元的内力矢量及切线刚度矩阵；
Then, based on the CR formulation, the internal force vector and tangent stiffness matrix of large rotation and small strain space bar and plane beam element are deduced.
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