“Psittacine Beak and Feather Disease (PBFD)”的意思、由来-开放百科全书

词条	Psittacine Beak and Feather Disease (PBFD)
释义	SeePsittacine beak and feather disease
随便看	Mark L. Schneider Mark Lucas Mark Lucovsky Mark L. Walberg Mark Lynas Mark Lynch (association footballer) Mark MacGuigan Mark Madsen Mark Magnus (wrestler) Mark Maguire Mark Magwire Mark Malaska Mark Mallman Mark Malloch Brown, Baron Malloch-Brown Mark Mallory Mark Mancina Mark Marabini Mark Martin Mark Martin (cartoonist) Mark Martin (comics) Mark Martin (judge) Mark Mathabane Mark Matkevich Mark McCabe Mark McClellan

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。