Orbital blowout fractures
orbital-maxillary-zygomatic OMZ complex fractures
Naso-orbital-ethmoid fractures
principal fractures and network fractures
Ab initio molecular orbital
Ab initio molecular orbital calculation
Ab initio molecular orbital theory
advanced orbital launch operation
Aeroassisted Orbital Transfer
alternate molecular orbital method
anti-bonding molecular orbital
antibonding orbital
反键轨道
反键结轨域
反键轨函数
反键轨〔函数〕
反链连轨函数
Argument of orbital node satellites
atomic orbital close-coupling method