OSDabbr.(美国)海洋科学部（=Ocean Science Division)abbr.屏幕显示(=show on-screen)OSabbr.操作系统=（Operating System）osmium disulfide二硫化锇osmotic constant渗透常数Osler phenomenon奥斯勒现象Osmia rufinoidesn.拟红壁蜂os interhyoideum茎舌骨oscillatoxanthin颤藻黄素osmium pen alloy锇铑铂笔尖合金Osmunda japonica圆羊齿oscillating buoy振荡浮子oscillator house振荡器柜