建立标定模型，用逆向运动学标定方式模拟了一新型五轴并联机床的标定过程，结果表明这种标定方法的算法收敛快、鲁棒性好。
After establishing the model for the calibration of a novel five-axis parallel machine tool, the process of calibration is simulated by minimizing inverse kinematic residuals.
这些控件包括集体，循环和差别音高，后者是通过旋转棒处理这使得在其垂直轴直升机又获得。
The controls included collective, cyclic and differential pitch, the latter being obtained by rotating the stick handle which made the helicopter turn on its vertical axis.
第二个阶段则是球棒沿垂直轴朝击球区快速转动，该活动起始于球与棒相撞的前120毫秒。
The second phase, starting 120 milliseconds before impact, was the rapid rotation of the bat about a vertical axis into the hitting area.
当挥击依著固定轴旋转时，更大的棒的速度产生。当躯干前移时，挥击的组成检慢下来。
Greater bat speed is created when the swing is rotates around a stationary spine. When torso move forward, swing components slow down.
过滤后铸棒组织中的柱状晶区缩小，中心等轴晶区扩大、晶粒度降低。
The area of columnar structures decreased, and that of equiaxed crystals enlarged. The grain size reduced.
本文对LF2、LF21、LD5和LD10四种铝合金圆棒单轴拉伸时的形变和断裂过程进行了研究。
Round bar tensile tests of LF2, LF21, LD5, LD10 aluminum alloys have been carried out in this investigation.
报道板-棒-多轴螺钉系统后路枕颈固定的初步疗效，探讨与其它内固定比较的优势。
To report the initial outcomes of occipitocervical fixation using plate-rod-polyaxial screw system and investigate whether this new system offers any advantage over other existing methods of fixation.
板-棒-多轴螺钉系统后路枕颈固定安全可靠，取得了满意的临床疗效。
These initial data indicate that posterior occipitocervical fixation using plate-rod-polyaxial screw system is safe and reliable, and satisfactory clinical outcome can be obtained.
本文应用区间矩阵的理论，研究三轴稳定的挠性空间飞行器姿态控制系统的鲁棒稳定性分析问题。
In this paper, the robustness stability analysis of the attitude control system of a three-axis stabilized flexible spacecraft is investigated.
挤压棒材表面质量良好无裂纹等缺陷，棒材中增强体颗粒和基体界面结合良好，基体合金中存在完整的等轴晶。
The surface of extrusion bar was of good quality without cracks. The interface between the particle and matrix bold was well and fine grains existed in the matrix.
挤压棒材表面质量良好无裂纹等缺陷，棒材中增强体颗粒和基体界面结合良好，基体合金中存在完整的等轴晶。
The surface of extrusion bar was of good quality without cracks. The interface between the particle and matrix bold was well and fine grains existed in the matrix.
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