由质点运动连续性公理导得力的连续性定理及关于质点运动轨迹的三个定理。
We can derive one theorem of the continuity of a force and three theorems about the trajectory of a particle with the particle-motion-continuity axiom.
通过摄像法得出了旋涡表面流体质点的运动轨迹、切向和轴向时均速度。
Moving path lines, tangential and axial average velocities of particles at the vortex surface are obtained by the photography method.
空间机构上许多质点的运动轨迹可能具有双重曲率。
A spatial mechanism may have particles with loci of double curvature.
运用质心运动定理，分析了质点在可自由移动的凹曲面上滑下时，质点对惯性系的运动轨迹方程。
The possible tracks of a particle BXm_(2), sliding down along a free movable concave surface with the mass m_(1) are analyzed.
运用质心运动定理，分析了质点在可自由移动的凹曲面上滑下时，质点对惯性系的运动轨迹方程。
The possible tracks of a particle BXm_(2), sliding down along a free movable concave surface with the mass m_(1) are analyzed.
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