The external forces and moments of the parachute and projectile are analyzed completely. A two body motion model of the TSP system, which is composed of the parachute and projectile, is established.
恰当地引入了降落伞的附加质量和附加惯性矩，完整地分析了伞体和弹体所受的外力和外力矩，建立了由伞体和弹体组成的末敏弹系统二体运动模型。
Performance capture poses two distinct problems: capturing body movements, known as motion capture, and capturing facial expressions.
表演捕捉提出了两个明显的问题：一是捕捉肢体动作，即动作捕捉；一是捕捉面部表情。
If the body is restricted to motion in a plane, there are three degrees-of-freedom: translation in two coordinate directions and rotation within the plane.
如果该机构是限制于在一个平面运动，那有三个自由度：直线运动在两个坐标方向和在平面内的旋转。
The motion of a rigid body can be divided into two types: translation and rotation, so the kinetic energy of rigid body is made up of translational energy and rotational energy.
刚体的运动分为平动和转动，那么刚体的动能也就包括平动动能和转动动能。
The analysis of the intercept window for ballistic missile midcourse defense is put forward based on the two-body theory, since the midcourse flight of a ballistic missile is nearly a two-body motion.
根据弹道导弹中段飞行近似为二体运动的特点，应用二体运动理论分析了弹道导弹中段防御的拦截窗口。
Based on the two-body assumption, two methods are used to investigate the relative motion of satellite formation flying on circular or near-circular orbits.
首先基于二体假设，采用两种方法系统地研究了圆或近圆轨道上卫星编队飞行的相对运动。
Based on the two-body assumption, two methods are used to investigate the relative motion of satellite formation flying on circular or near-circular orbits.
首先基于二体假设，采用两种方法系统地研究了圆或近圆轨道上卫星编队飞行的相对运动。
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