Objective: To establish a digital model for reconstruction and three-dimensional visualization of upper cervical spinal motion segment from ct images.
目的：寻求连续CT断层图像重建上颈椎运动节段数字模型及三维可视化的方法。
Methods Stress distribution of the spine in the upright, flexion and extension positions was analyzed using a three-dimensional finite element model of the spinal motion segment.
方法采用脊柱活动节段的三维有限元模型分析了脊柱在直立位、前屈位和后伸位的应力分布情况。
The master equation approach to molecular motor's directed motion based on periodic one-dimensional three-state hopping model is studied.
利用主方程的方法，研究了在一维三态周期跳跃模型下分子马达的定向运动。
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