OSAFn.初始子区字段;始端子域字段
OSabbr.操作系统=(Operating System)
Osborne-Folin's ethods
os pisiforme secondarium次豌豆骨
Oscillatoria planctonican.浮游颤藻
osmoregulatory mechanism渗透压调节机制
oscillatory eye movement振动状眼球运动
Oscillatoria proboscidean.象鼻颤藻
oscillating foam monitor摆动式泡沫炮
os carpi supernumerarium腕余骨
Osmungajaponica Thunb.薇菜
oscillating circular saw摆动式圆锯,摆动圆锯机