OPOM包被态颗粒状有机质
OPabbr.观测点(=Observation post)
ophthalmic ergograph眼测力器, 眼肌(动)力描记器
Opithandra dalzieliin.汕头后蕊苣苔
ophthalmic neuralgia眼性神经痛
Ophiozonellasubtilisn.细带蛇尾
ophthalmic siderosis眼球铁质沉着
ophthalmochromoscope色光检眼镜
Ophiorrhiza hayatanan.瘤果蛇根草
Ophiarachna ohshimain.大岛蜘蛇尾