positioning, head meaning in English
磁头定位
Examples
- On the one hand , air traffic control system , which can provide the controller with information about the height , position , heading and the like , is used by controller to keep a safe distance between the airplanes and the obstacles , so as to avoid conflict and , as well , make the automatic process of radar , flight plan and interactive operation come true
本方案是针对民航机场管制中心而设计的空中交通管制自动化飞行冲突告警和低高度告警系统，它可为机场的管制工作提供自动化手段，保持飞机之间、飞机和障碍物之间的安全间隔，避免碰撞，保障空中交通运输业的安全可靠运行。 - Methods ： fifty paired embalmed cadaveric humeri ( twenty - five pairs : fourteen from male donors and eleven from female donors ) were scanned in medial - lateral ( ml ) and anterior - posterior ( ap ) position according to the humeral retroversion by ct . images of the humeri in the transverse planes at the lowest border of neck ( lbn ) , 20mm and 40mm distal of lbn ( lbn - 20 、 lbn - 40 ) , isthmus , head - neck anterior - posterior ( hn - ap ) were obtained . sixty - one extracortical and intracortical parameters were measured exactly by image analytic computer software that included offset , head position , head - shaft angle , head to tuberosity height ( ht ) , head thickness , curvature radius , articular surface arc ( sa ) , neck diameter , isthmus position , proximal and distal border of isthmus , maximum coronal and sagittal diameter of medullary canal and thickness of cortical bone in four planes , including lbn , lbn - 20 , lbn - 40 and isthmus
方法： 50根成对防腐肱骨(男14对，女11对)按肱骨头扭转角置于冠状位和矢状位，行肱骨全长，头颈矢状面，解剖颈下缘及其下20mm 、 40mm ，髓腔狭窄部四平面ct扫描，由ct软件测量冠、矢状位髓腔内外参数共61项，包括头心?干轴距，头位置，头干角，头?结节高度差，头厚度，头半径，关节面张角，解剖颈直径，髓腔狭窄部位置，解剖颈下缘及其下20mm 、 40mm和狭窄部四个平面髓腔的最大冠、矢状径，皮质骨厚度等。