Osma奥斯马
OSabbr.操作系统=(Operating System)
oscilating follower摆动随动件
oseen approximation奥新近似,奥森近似
Osphranter robustus岩大袋鼠
os petrosoccipitale岩枕骨
oscillating mirrors摆镜
Osmium radioisotope锇放射性同位素
Oscillatoria sanctan.清净颤藻
oscillating contour振荡电路
oscillating monitor摆动式消防炮
oscilloscope screen示波屏