OECD Organization for Economic Co-operation and Development 经济合作及发展组织(经合组织)
OPEC Organization of Petroleum Exporting Countries 石油出口国组织
OLE Object Linking and Embedding 对象链接与嵌入
OS Operating System 操作系统
OSI Open System Interconnection 开放系统互连
OLA oligonucleotide ligation assay 寡核苷酸链接检测法
ORC origin recognition complex 起始点蛋白复合体
ODP origin decision point DNA复制起始位置决定点
OOP Object Oriented Programming 面向对象的程序设计
OCR Optical Character Recognition 光学字符识别
OEM Original Equipment Manufacturer 原始设备制造商
OAT ornithine δ-aminotransferase 鸟氨酸氨基转移酶
OTC Over-the-counter 柜台市场
OPA o-phthaldialdehyde 邻苯二甲醛
OICQ Open I Seek You 我开放地寻找你
OLGA Organic Land Grid Array 基板栅格阵列
OEM Original Equipment Manufacturer 原设备制造商
OA Office Automatization 办公自动化