Conclusions. Navigation does indeed provide a higher accuracy in the placement of pedicle screws for most of the subgroups presented.
结论：在以上提到的大部分组群中，导航对于椎弓根螺钉置钉确实能提供一个较高的准确性。
The method has low requirements for the placement attitude and assembling accuracy of binocular sensor, thus the calculation error of coordinates produced by medium refraction can be removed.
该方法对摄象机的摆放姿态与双目传感的装配精度要求较低，可去除介质折射产生的坐标计算误差。
Summary of Background Data. Safety concerns have driven specific interests in the accuracy and precision of pedicle screw placement.
背景资料概述：由于安全性的关系，使得人们对椎弓根螺钉置钉的准确性和精确度有着特殊的兴趣。
Objective: To evaluate the accuracy of cervical pedicle screw pilot holes placement by bilateral oblique X-ray films with the spiral wires as the guide pin.
目的：探讨螺旋形导针配合双侧斜位X线片判断颈椎椎弓根螺钉置入孔道准确性的可行性。
Objective To evaluate the clinical accuracy of computer-assisted fluoroscopy for the placement of thoracolumbar pedicle screws.
目的探讨临床运用计算机影像导航技术引导脊柱胸腰段椎弓根钉植入的准确性。
Typical sources of variation in assembly line strain measurement include: strain gage type, attachment process, placement accuracy to location target and data acquisition system.
组装过程中应变测量的典型变异来自：应变片类型，粘贴工艺，定位准确度学和数据采集系统。
Typical sources of variation in assembly line strain measurement include: strain gage type, attachment process, placement accuracy to location target and data acquisition system.
组装过程中应变测量的典型变异来自：应变片类型，粘贴工艺，定位准确度学和数据采集系统。
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