对两组动作中的关节功率进行了生物力学计算和比较。
The joint power during the two groups of movements is calculated and compared using biomechanical method.
结论：通过CT断层扫描、图像数字化处理及计算机辅助设计等方法，可以建立腰椎人工椎间盘置换的有限元模型，用于脊柱生物力学的进一步研究。
CONCLUSION: the finite element model of artificial disc replacement can be established by CT scanning, digital processor and computer aided design, and used for further study on spinal biomechanics.
虚拟手术是一门综合性的学科，涉及到医学，计算机图形学，生物力学，机械动力学，材料科学等诸多领域。
Virtual surgery is a comprehensive subject; it involves medical science, computer graphics, biomechanics, mechanical dynamics, material science and so on.
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