OPNn.开OPabbr.观测点(=Observation post)Ophioderma pendulan.带状瓶尔小草Ophthalmic disease眼病ophthalmoleukoscop光色觉镜Ophicephalus argus乌鳢Opuntia Milpa Alta米邦塔仙人掌Ophiomusiumsimplexn.简式瓷蛇尾Ophiorrhiza nutansn.垂花蛇根草opuntia microdasys黄毛掌opreational safety操作安全ophthalmodiagnosis眼反应诊断法