缩写	全称	中文释义
O/S	Operations and Support life cycle phase	运营和支持生命周期阶段
OS	Opportunity to Serve	提供服务的机会
OS	osteosarcoma	骨肉瘤
OS	Oral Solution	口服液
OS	Outer Segment	外段
OS	Oculus Sinister	阴魂
OS	Omnipotent Spirituality	无所不能的灵性
OS	A On Surveillance	A关于监视
OS	One shot	一枪
OS	Overall Survival	整体存活率