“国家处在危险中：教育改革势在必行”的概念、定义、翻译、参考文献-科学参考

单词	国家处在危险中：教育改革势在必行
释义	国家处在危险中：教育改革势在必行 Encyclopedia 教育学美国教育制度释 A Nation at Risk: The Imperative for Educational Reform《国家处在危险中：教育改革势在必行》美国为提高教育质量而发布的报告。
随便看	velocity gradient velocity-gradient force velocity-gradient tensor velocity hodograph velocity in free space velocity loss coefficient of turbine guide vanes velocity matching velocity measurement velocity measurement of radio navigation velocity measurement quantity velocity modulation velocity of detonation velocity of entry velocity of escape velocity of flue gas velocity of fluid flow in porous media velocity of light velocity-of-light cylinder velocity of light, light velocity velocity-of-light radius velocity of money velocity of motion along the path velocity of recession velocity of sound velocity of sound, speed of sound

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。