OAC

OAC On Approved Credit 认可信用交易

OAC Operational Affairs Committee (Universal Postal Union) 经营事务委员会(万国邮政联盟)

OAC Osservatorio Astronomico Di Capodimonte (Italian: Astronomical Observatory of Capodimonte; Naples, Italy) Osservatorio Astronomico迪Capodimonte(意大利:天文台,意大利那不勒斯的Capodimonte。)

OAC oxygen arc cutting 氧气电弧切割

OAC Outer Approach Channel 外引航道

OAC Obstetric Assessment Clinic 临床产科评估

OAC Office of Arms Control 办公室的军备控制

OAC Ontario Aerospace Council 安大略航天理事会

OAC (Chiropractic) Oversight Advisory Committee (DoD) (脊骨)忽略谘询委员会(国防部)

OAC Operating Agency Code 操作机构代码

OAC Online Archive of California (California Digital Library) 网上加州(加州数字图书馆)

OAC Orenda Aerospace Corporation (Canada) Orenda航空公司(加拿大)

OAC Ohio Administrative Code 俄亥俄州行政代码

OAC Ontario Academic Credit 安省学历的信贷

OAC Ohio Athletic Conference 俄亥俄州体育会议

OAC Office of Antiboycott Compliance Antiboycott办公室的符合性

OAC Ontario Academic Credits 安大略的学分

OAC Ontario Agricultural College 安大略农业大学

OAC Organizational Activity Code 组织活动的代码

OAC Oceanic Area Control Center 海洋区域控制中心