OPOM包被态颗粒状有机质
OPabbr.观测点(=Observation post)
Ophionereis variegatan.花蜒蛇尾
Ophthalmodynamography视网膜血管血压摄影术
opisthoventral shield末体腹板
Ophthalmic antibiotic眼用抗生素
Ophiocytium capitatumn.头状黄管藻
opisthogenital shield末体殖板
ophiolitic assemblage蛇绿岩组合
ophthalmo blennorrhea脓性眼炎
Ophioglossum vulgatumn.瓶尔小草
opcode facilities bit操作码性能位