Osma奥斯马
OSabbr.操作系统=(Operating System)
oscillating portion振荡部
oscillatory ripples摆动波痕,对称波痕
oscilloscope camera示波器照相机
os intercoracoideum喙间骨
Oscillatoria tenuisn.弱细颤藻
oscillatory process振荡过程
oscillating bearing关节轴承
oscuneiforme medium中楔骨
osmiophilic granule嗜锇颗粒
Osmotic pump tablet渗透泵片