An electromagnetictracking 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。
2
Electromagnetictracking 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。
3
Passive localization and tracking system plays an important role in the electronic reconnaissance, because it works silently without electromagnetic radiation and covering larger region.