“history of railway development”的概念、定义、翻译、参考文献-科学参考

单词	history of railway development
释义	history of railway development Encyclopedia 理学交通技术史释 history of railway development铁路发展史用机动车牵引列车在轨道上行驶于城市之间以输送货物或旅客的运输方式的发展历史。
随便看	mean absolute magnitude mean absorption coefficient mean activity coefficient of ions mean age mean age at death mean age of child bearing mean air temperature mean amount of information mean anomaly mean arterial pressure mean average precision mean caliper diameter mean circulatory filling pressure mean citation rate mean cluster count per site mean collision time mean concentration function mean-conjugate curve mean-conjugate directions mean continuity mean contour mean convergence mean cross-sectional measure mean crowding mean curvature

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。