The dynamics model of parachute-munition system is used to analyze the motion characters of submunition under the effect of wind gust, and the calculation model of projective point is presented.
利用伞-弹系统动力学模型，从工程应用的角度出发，分析了阵风小扰动作用下，子弹姿态的运动特性，并以此为基础给出了末修子弹弹下点的计算模型。
According to the nature of projective scale, it has solved the problem of drawing a cars perspective when perspective vanishing point is out of the drafting board.
文中利用射影几何中射线比的特殊性质，解决了透视灭点在图板外的透视图画法。
Single view metrology compute the 3d coordinate of a point based on the projective geometry's characteristic of cross-ratio invariability.
单视图测量理论主要是利用了射影几何中的交比不变性来计算图像上点的三维坐标。
An dynamic projective method of series alternate projection system is studied in this paper. Using dynamic sight point of common locus and orientation with dynamic view.
本文提出了采用和动态观察时双眼同轨迹、同方位的动态视点，用一系列变换的投影体系进行投影的“动态投影法”。
Projective To investigate the mechanism of action of point-regional extracellular matrix in acupuncture signal transmission.
目的探讨穴位区细胞外基质在针刺信号转导中的作用机制。
Projective To investigate the mechanism of action of point-regional extracellular matrix in acupuncture signal transmission.
目的探讨穴位区细胞外基质在针刺信号转导中的作用机制。
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