“Pittsburgh regional science and engineering fair”的意思、由来-开放百科全书

词条	Pittsburgh regional science and engineering fair
释义	> Pittsburgh Regional Science and Engineering Fair {{R from other capitalisation}}
随便看	Caxpy Caxton Caxton and CTP Publishers and Printers Caxton College Caxton (disambiguation) Caxton Press (New Zealand) Caxton Press (United Kingdom) Caxton Street, Brisbane Caxton street brisbane Caxur CAY CAY2 CAY4 CAY7 CAY9 Cayaba dialect (Taino) Cayabyab Cayambe Coca Ecological Reserve Cayambe (disambiguation) Cay'An Cayan Tower Cayapo Cayaponia ficifolia Cayaponia piauhiensis Cayaponia tayuya

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。