其中某些方程可用于研究变质量非完整系的相对运动动力学。
Some of the equations can be used to investigate the dynamics of relative motion of non-holonomic system with variable mass.
建立了非对称弹丸在挠性渐速膛线身管内的弹丸一般运动动力学模型和运动微分方程组。
A general dynamic model and differential equations for an unsymmetrical projectile traveling in a flexible, increasing twist rifled bore gun tube are developed.
采用本地轨道坐标系对两邻近飞船间相对运动动力学展开研究，指出在相对运动中也存在平衡状态；
The dynamics of the relative motion between two nearby spacecraft is investigated in a local orbital coordinate system. It' has been pointed out that an equilibrium state may exist in the motion;
首次推导了基于质量控制和推力矢量控制的一类无尾无舵翼碟形飞行器的空间六自由度运动动力学方程。
The six degrees of freedom dynamic equation of a kind of mass-controlled and thrust vectoring-controlled saucer-like air vehicles without tailes, wings and rudders was derived for the first time.
然后给出了机器人滚动和滑动的运动条件，运用牛顿力学方法建立了机器人的滚动和滑动动力学模型。
Then, the rolling and sliding conditions are given, and the rolling and sliding dynamic models of the robot based on Newton mechanics are established.
关键帧动画是利用计算机的运算能力，按照运动学和动力学的规律计算生成两个关键动作之间的运动动作序列的动画方法。
Key frame animation is a kind of computer animation method. This method calculates frames between two key frames automatically according to kinematics and kinetics.
关键帧动画是利用计算机的运算能力，按照运动学和动力学的规律计算生成两个关键动作之间的运动动作序列的动画方法。
Key frame animation is a kind of computer animation method. This method calculates frames between two key frames automatically according to kinematics and kinetics.
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