OCPNn.对象复合佩特里网OCabbr.海洋(=Ocean)abbr.在中心(=On Center)abbr.开路(=Open Circuit)oculentum hydrocortisoni acetatis醋酸氢化可的松眼膏Occasio calvata. she is bald.只剩下荒芜一片。occlusive cerebrovascular disease闭塞性脑血管病oculo-dento-osseous dysplasia眼-齿-骨骼发育异常Occupied Territory Administration占领区管理局oculomotor alternating hemiplegia动眼神经交叉性偏瘫oculo-dento-digital dysplasia眼、齿、指(趾)发育不良occluding centric relation record中心咬合关系记录Occiput right transverse position枕右横位oculopharyngeal muscular dystrophy眼咽肌营养不良, 眼咽综合征:睑下垂、咽下困难等