Philippine Academy of Ophthalmology (Makati City, Philippines)菲律宾科学院、菲律宾、眼科(马卡蒂市) Project Administration Office(r)项目管理办公室(r) Provider Access Organization (healthcare)访问组织(保健提供者) Public Affairs Office公共事务办公室 Periodical Aromatic Odor芳香的气味。期刊 Planetary Activation Organization (El Dorado Hills, CA)行星活化组织(黄金城山,CA) Periacetabular Osteotomy (hip surgery)Periacetabular截骨术(臀部手术) Period After Opening开盘后时期 Postulated Abnormal Occurrence假定异常发生的事情 Psychiatric Assignment Officer精神病作业军官 Program Analysis Office项目分析的办公室 Panathinaikos Athlitikos Omilos (Panathinaikos Athletic Club)Athlitikos Omilos(斯科斯的运动俱乐部) PolyalphaolephinPolyalphaolephin Publication AssistÉe par Ordinateur (French: desktop publishing)Publication AssistÉe par Ordinateur (French: desktop publishing) Primary/Program Action Office(r)初级/计划行动办公室(r)