optical arm是什么意思

用法例句

Methods After traction of calcaneus, under C arm X ray machine we used manual reposition, carved pretibial medion part with small incision, screwed the screws into cancellous bone in order to fix posterior malleolus.

方法　采用跟骨牵引后C臂X光机下手法复位 ,胫前正中小切口自前向后拧入松质骨螺钉将后踝固定。

This paper deals with a novel type of optic fibre cantilever vibration sensor.

研究了一种新型结构的光纤悬臂梁式振动传感器。