“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
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