“圆周率”的概念、定义、翻译、参考文献-科学参考

单词	圆周率
释义	圆周率 Encyclopedia 理学〔术语和基本概念条目〕释 ratio of the circumference of a circle to its diameter圆周率欧几里得平面上圆周与直径的长度之比。 Mathematics ＞拓扑学与几何学＞初等几何学＞释义 number π; ratio of the circumference of a circle to its diameter圆周率 number π圆周率^† piπ，圆周率
随便看	perceived organizational support Perceived Quality perceived risks perceived value pricing per cent percent percentage percentage calculation percentage diagram percentage elongation percentage error percentage of blocked dregs and soil percentage of coarse fiber percentage of controlled soil erosion area percentage of efficient supplier correct end cocoon percentage of fatty extraction percentage of healthy chicks percentage of length deviation percentage of overlength fiber percentage of recovered forestry and grass percentage of sows showing estrus within 7 days of weaning percentage point percentage recovery of gas reservoir percentage reduction of area percent for art

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。