This paper introduces the rigid mathematical model of water pressure impacted dash air sac in the pipeline, and focus on a stretch mathematical model and its solution.
简要介绍了压力水流冲击管道中截留气团的刚性与弹性数学模型，并且着重介绍了弹性数学模型的建立及其解法。
Using the theory of rigid rotation and combined with the thought mathematical model established, this paper analyzes the control method of the brake test.
本文利用刚体转动理论结合数学模型建立的思想对制动器试验台的控制方法进行分析。
The rigid motion model is more accurate mathematical description for the unstable image sequence than the translation motion model, so the proposed method has more steady effect.
与平移运动模型相比，刚性运动模型更加符合帧间运动的真实过程，因而本方法具有更好的稳像效果。
The rigid motion model is more accurate mathematical description for unstable image sequence, so proposed method has more steady effect.
与平移运动模型相比，刚性运动模型更加符合帧间运动的真实过程，因而本方法具有更好的稳像效果。
A 4d mathematical model is established for the non-rigid motion and deformation of the anatomical region, from a set of CT or other 3d images.
从一组CT或其他3d图像中，为解剖区域的非刚性运动和变形建立4d数学模型。
A 4d mathematical model is established for the non-rigid motion and deformation of the anatomical region, from a set of CT or other 3d images.
从一组CT或其他3d图像中，为解剖区域的非刚性运动和变形建立4d数学模型。
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