“history of Songhuajiang river conservancy”的概念、定义、翻译、参考文献-科学参考

单词	history of Songhuajiang river conservancy
释义	history of Songhuajiang river conservancy Encyclopedia 工学中国水利史释 history of Songhuajiang river conservancy松花江水利史松花江流域水资源开发利用与防汛、抗旱工程建设及河流整治的历史过程。
随便看	frequency selective surfaces frequency selectivity frequency sensitive starter frequency sensitivity frequency shift frequency-shift keying frequency-shift keying, FSK frequency-shift keying modulation and demodulation frequency shift of scattering light frequency shift theorem frequency-shift track circuit frequency-size distribution frequency spectrum frequency stability frequency stability criterion frequency stability measurement frequency stabilization frequency stabilized laser frequency standard frequency standards frequency step frequency sweep mode frequency swept laser frequency switching frequency synchronization

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。