“Topological disc”的意思、由来-开放百科全书

词条	Topological disc
释义	SeeBall (mathematics)
随便看	Serieses Series Finale Series HOLEK Series hybrid Series limited liability company Series LLC Seriesmover Series N700 Shinkansen Series of 1928 (U.S. Currency) Series of books Series of Thirty-six Views of Mount Fuji Series of Tubes Series of tubes Series One of Tracy Beaker Series-parallel graph Series parallel graph Series-parallel network Series premiere Series Producer Series production Series reversion Series seven Series term Series (U.S. currency) Series wiring

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。