“ratio of the circumference of a circle to its diameter”的概念、定义、翻译、参考文献-科学参考

单词	ratio of the circumference of a circle to its diameter
释义	ratio of the circumference of a circle to its diameter 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
随便看	laboratory observation Laboratory of the Linear Accelerator laboratory process test laboratory profile onnutritional and metabolic diseases laboratory quality control laboratory rat laboratory reagent laboratory reagent (L.R.) laboratory reference frame laboratory reference print laboratory reference system laboratory sciences for virus infection laboratory simulation laboratory spectrum laboratory system laboratory technology for bacteria detection laboratory technology for disinfection test laboratory technology for molecular biological test laboratory test laboratory test detection method laboratory（house）standard labor capacity identification labor contract labor contract expiring upon completion of a given task Labor Contract Law of the People’s Republic of China

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。