On-Board已装船 On-Board Diagnostics自我诊断 omnibearing-distance system全方位距离导航系统 system on-board diagnostic system车载诊断装置 Optical Branching Device光分路器 Occupied Bed Day床一天。占领 Off-Board Diagnostics严禁进行场外诊断学》 Orthonormal-Basis DiversityOrthonormal-Basis多样性 Organic Brain Disease器质性脑疾患 On Board Diagnostics船上的诊断 On-Board Diagnosis车载诊断 Order of Benefit Determination (insurance)确定的利益(保险) Overboard (Swedish punkrock band)瑞典punkrock海里(带) Ordnance Base Depot发射基地 Off Board Drone关闭板无人机