“四色问题”的概念、定义、翻译、参考文献-科学参考

单词	四色问题
释义	四色问题 Mathematics four-color problem四色问题^†
随便看	Your Paradise Youshi Poems Youshui River Youshun Si Yousong Shi Youssef Chahine Youssef Ziedan Yousubalutage Yousuf Karsh Youtai Shi Youth youth youth activity room of museum youth-and-old-age youth classes at university youth culture Youth Dance Company of Beijing Dance Academy Youth Film Studio Youth Film Studio of Beijing Film Academy Youth Geophysical Science & Technology Award of Fu Chengyi Youth in the Fire Youth Journalist Youth League of Three Principles of the People youth league school library youth leisure culture

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。