“John Ripley Freeman”的概念、定义、翻译、参考文献-科学参考

单词	John Ripley Freeman
释义	John Ripley Freeman Encyclopedia 工学〔人物〕释 John Ripley Freeman弗里曼，J.R. （1855-07-27～1933-10-06）美国土木和机械工程师。一译费礼门。
随便看	normal continued fraction normal contour normal convergence normal coordinate normal coordinates normal coordinate system normal correction of magnetic field normal correlation normal count approach normal covering normal crossing normal cross-section normal current normal curvature normal curvature vector normal curve normal cycle normal density function normal derivative normal determinant normal developable surface normal deviate normal difference distribution normal discrete group normal dispersion

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。