“O.P.L.”的意思、由来-开放百科全书

词条	O.P.L.
释义	SeeOPL
随便看	International Trade in Endangered Species Act 2008 International Trade Secretary International Trade Select Committee International Trade Union Committee for Black Workers International Trading and Investments Holdings SA Luxembourg International (train) International Training Centre of the ILO International Transactional Analysis Association International Transgender Day of Remembrance International Transport News International Tropical Timber Agreement (disambiguation) International Trust for Zoological Nomenclature International Turbine Engine Corporation International Turkish Hope School, Dhaka International Twelve Foot Dinghy International Typographers' Secretariat International Typographic Award International Typographic Awards International U-21 Thanh Nien Newspaper Cup International UFO Museum International UFO Museum And Research Center International UFO Museum and Research Center International Union for Conservation of Nature (IUCN) Red List International Union for Protection of Nature International Union for Vacuum Science, Technique and Applications

开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。