OSAFn.初始子区字段;始端子域字段
OSabbr.操作系统=(Operating System)
oscillographic integrator示波积分器
oscillating unsteady flow波动不稳定流
osmotic pressure gradient渗透压梯度
os carpale distale primum大多角骨
oscillating flash-board倾倒闸门
os carpi radiointermedium桡中间腕骨
oscilloscopic polarograph示波极谱
oscillatory sample holder振动样品架
oscillating jet technique振荡射流法
oscillator amplifier unit振荡放大器