“relief for widows”的概念、定义、翻译、参考文献-科学参考

单词	relief for widows
释义	relief for widows Encyclopedia 管理学社会福利史释 relief for widows恤寡中国古代对寡妇（失去丈夫的妇女）的生活周济。
随便看	parabolic subalgebra parabolic subgroup parabolic substitution parabolic surface parabolic system parabolic system of differential equations parabolic throat flume parabolic transformation parabolic trough concentrator parabolic trough solar power Plant parabolic trough tube receiver parabolic type parabolic umbilic parabolic umbilic catastrophe parabolic variational inequation parabolic velocity parabolic web of spheres parabolism parabolograph paraboloid paraboloidal paraboloidal antenna paraboloidal coordinate paraboloidal mirror paraboloidal radio telescope

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。