orbital fat眼眶脂肪orbitaladj.轨道的；(城市)外环路的；眼窝的n.高速环形路；[数学]轨函数orbital pneumotomography眼眶充气体层成像(术)Orbital Transfer Vehicle轨道转移飞行器orbital electron capture轨道电子俘获orbital maneuver vehicle轨道机动飞行器orbitalzygomatic complex眶颧复合体orbital blowout fracture眶爆裂性骨折Orbital Launch Operation轨道发射操作Orbital Replacement Unit轨道替换单元orbital angular momentum轨角动量orbital complex catalyst配合物催化剂