“正火”的概念、定义、翻译、参考文献-科学参考

单词	正火
释义	正火 Encyclopedia 工学正火释 normalizing正火将工件加热至Ac3（亚共析钢）或Accm（共析钢和过共析钢）以上30～50℃，保温一段时间后，从炉中取出在空气中自然或强迫冷却（按工件大小和合金含量确定冷却方法）的金属热处理工艺。
随便看	graded-index media =graded index 陡度折射率 graded junction graded lattice graded Lie algebra graded manifold graded medical treatment graded module graded morphism graded object graded pn junction graded-polarizable graded projective dimension graded protection of wild plants graded [refractive] index graded refractive index graded ring graded R nodule graded R-nodule graded sheaf graded space graded submodule Graded Supplementary Readings for Primary School Students graded-tailings filling system graded technique

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。