Objectives:To assess the changes of the contact area of atlantoaxial joint during three dimensional movements and to assess the regularity of dynamic changes related to the joint stability.
前言： 目的：观察寰枢关节在三维运动中接触面积及动态观察其稳定性的变化规律。
As surgeons watch a three-dimensional image of the surgery, they move instruments that are connected to a computer, which passes their movements to robotic instruments that perform the surgery.
当外科医生观看手术的三维图像时，他们移动连接到电脑上的仪器，电脑将他们的动作传递给执行手术的机器人仪器。
By making use of the semi analytical element method, the three dimensional soil movements problem of pipe jacking is transfered to a one dimensional numerical calculation.
利用半解析单元法将顶管施工中三维土运动问题转化成一维数值计算。
Three-axis machines are capable of simultaneous cutting movements in all three dimensional shapes in die and mold cavities.
三轴机床能以冲模和塑模型腔的三维形状同时进行切削加工。
Three-axis machines are capable of simultaneous cutting movements in all three dimensional shapes in die and mold cavities.
三轴机床能以冲模和塑模型腔的三维形状同时进行切削加工。
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