“河工保固”的概念、定义、翻译、参考文献-科学参考

单词	河工保固
释义	河工保固 Encyclopedia 工学中国古代水利管理释 quality assurance system of river engineering河工保固清代有关黄河、运河及其他水利工程建设质量保证的制度。
随便看	rigid disk rigid docking rigid earth rigid Earth nutation rigid earth rotation dynamics rigid figure rigid frame bridge rigid framework rigid graph rigid halo rigid impulse rigid ion approximation rigid-ion approximation rigid isometric embedding rigidity rigidity condition rigidity differential equation rigidity problem rigidity result rigidity theorem rigid jumper rigid lattice rigid manifold rigid model rigid motion

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。