An electromagnetic tracking device was employed to measure the ranges of motion of the whole lumbar spine.
获取他们腰椎侧位平片和磁共振片，应用一种电磁跟踪设备测量整个腰椎的活动范围。
Electromagnetic tracking systems are widely used in Virtual Reality and computer simulation system to measure the attitude and position of the users hand or head to perform Human-Computer Interaction.
虚拟现实系统和计算机仿真系统中广泛采用电磁跟踪系统测量用户的头部或手部的位置和姿态来实现人机交互。
Passive localization and tracking system plays an important role in the electronic reconnaissance, because it works silently without electromagnetic radiation and covering larger region.
无源定位与跟踪技术自身不辐射电磁波而且探测距离远，所以它在电子侦察中扮演着越来越重要的角色。
Tracking filling, cap automatically conveying by electromagnetic oscillator, three knifes centrifugal sealing (or screwing), no bottle no filling.
采用局部跟踪灌装，电磁振动送盖，三刀离心式封口(或旋盖)，具有无瓶不灌功能。
Tracking filling, cap automatically conveying by electromagnetic oscillator, three knifes centrifugal sealing (or screwing), no bottle no filling.
采用局部跟踪灌装，电磁振动送盖，三刀离心式封口（或旋盖），具有无瓶不灌功能。
How to make use of the available information from electromagnetic radiation is key to improve the performance of passive localization and tracking.
由于传统的定位跟踪方法很难快速、高精度的确定辐射源位置，怎样充分利用目标的其它辐射信息是改善定位跟踪性能的关键。
How to make use of the available information from electromagnetic radiation is key to improve the performance of passive localization and tracking.
由于传统的定位跟踪方法很难快速、高精度的确定辐射源位置，怎样充分利用目标的其它辐射信息是改善定位跟踪性能的关键。
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