OIML International Organization for Legal Metrology 国际法定度量衡组织
OPEC Organization of Petroleum Exporting Countries 石油输出国组织
PBEC Pacific Basin Economic Council 太平洋盆地经济理事会
PECC Pacific Economic Cooperation Council 太平洋经济合作理事会
PIF Pacific Islands Forum 太平洋岛国论坛
UN ( United Nations) 联合国
UN General Assembly 联合国大会简称联大
UNSC（Security Council）联合国安全理事会
FAO (Food and Agriculture Organization of the United Nations) (联合国)粮食及农业组织
UNESCO (United Nations Educational, Scientific and Cultural Organization) 联合国教科文组织
UNCF (United Nations Children's Fund,其前身是United Nations International Children's Emergency Fund《UNICEF》) 联合国儿童基金会
UNIDO (United Nations Industrial Development Organization)联合国工业发展组织考试用书
UNDP (United Nations Development Programme)联合国开发计划署
UNEP (United Nations Environment Programme)联合国环境署