OPNn.开
OPabbr.观测点(=Observation post)
ophiopogon saponin麦冬皂苷
ophyolitic complex蛇绿岩复合体
ophthalmocarcinoma眼癌
opulation security人口安全
ophryospinal angle[医] 眉棘角(从耳点与眉间连至前鼻棘的线所成的角)
Ophiopogon chingiin.长茎沿阶草
Ophiopsammusyoldiin.约氏疹蛇尾
ophthalmic otician验光师
ophthalmic nursing眼科护理(法)
ophthalmobrachytes近视眼