线动量与角动量原理。
在旋转运动中的角动量产生的方式与平移运动中的线动量的产生是基本相似的。
In motions of rotation angular momentum appears in much the same way as linear momentum appears in motion of translation.
换句话说，因为没有竖直方向的合力，所以线动量的竖直方向仍为零。
In other words, the vertical component of its linear momentum remains zero, since there is no resultant vertical force.
看来采用自由无阻尼正规模态可保证变形运动的线动量和角动量为零。
The use of the free undamped normal modes is seen to ensure that the linear and angular momenta of the distortional motion vanish.
结合系统线动量及角动量守恒关系，通过拉格朗日法建立了系统的动力学模型。
With the relationship of the system linear and angular momentum conservation, a system dynamics model was established by Lagrangian formulation.
采用特征线关系数值求解质量、动量和能量方程。
The characteristic relationship is applied to solve the governing equations of mass, momentum and energy for each control volume.
这是一个视觉化过程，检查移动平均线与价格的相对关系，而移动平均线的坡度则反映短期动量的微妙变化。
It's a visual process, examining relative relationships between moving averages and price, as well as MA slopes that reflect subtle shifts in short-term momentum.
理论分析和实验研究表明，使用特征线法计算管道系统时，在大小管连接截面处，应考虑到该处的动量变化，才能准确描述液压管道系统的瞬变过程。
The paper discusses the ultimate loads of foundations calculated with the characteristic line method and the determination of the ultimate bearing capacity of foundations.
理论分析和实验研究表明，使用特征线法计算管道系统时，在大小管连接截面处，应考虑到该处的动量变化，才能准确描述液压管道系统的瞬变过程。
The paper discusses the ultimate loads of foundations calculated with the characteristic line method and the determination of the ultimate bearing capacity of foundations.
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