OCDabbr.强迫性官能症(=obsessive-compulsive disorder)abbr.(美国)民防局(=Office of Civil Defense)
OCabbr.海洋(=Ocean)abbr.在中心(=On Center)abbr.开路(=Open Circuit)
occipital headache[医] 枕部头痛
occluding thrombus闭塞性血栓
occipital ganglion后头神经节
OClt. Old Celtic旧塞尔特语的
occlusive thrombus闭塞性血栓
OC CD Provost Unit民防纠察组主任