“成化大旱”的概念、定义、翻译、参考文献-科学参考

单词	成化大旱
释义	成化大旱 Encyclopedia 工学〔中国历史上重大的水旱灾害〕释 severe drought in Chenghua period of Ming Dynasty成化大旱明代成化年间发生在黄河中下游地区的一场持续三年的全国性大旱灾。
随便看	vacuum physics vacuum polarization vacuum powder thermal insulation vacuum preloading vacuum pressure die casting vacuum pressurizing casting vacuum prism spectrograph vacuum pump vacuum pump oil vacuum rapidly quenched amorphous alloy strip vacuum rapidly quenched Ti- based brazing alloy vacuum regulating valve vacuum resistance furnace vacuum sensor vacuum sintering vacuum solar telescope vacuum solar tower vacuum sparking vacuum spectral region vacuum spectrograph vacuum spontaneous breaking vacuum stability vacuum state vacuum suction disc vacuum surface insulation

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。