“清光绪大旱”的概念、定义、翻译、参考文献-科学参考

单词	清光绪大旱
释义	清光绪大旱 Encyclopedia 工学〔中国历史上重大的水旱灾害〕释 severe drought in Guangxu period of Qing Dynasty清光绪大旱清光绪于1875～1878年在中国发生的大面积干旱。
随便看	semigroup property semigroup quasi-regular on the left semigroup quasi-regular on the right semigroup ring semigroup stationary on the left semigroup stationary on the right semigroup theoretic semigroup theoretical semigroup-valued semigroup-valued integral semigroup-valued measure semigroup-valued set function semigroup with cancellation semigroup with identity element semigroup without idempotents semi-handle semi hard biscuit semihard magnetic material semi-heap semihereditary semihereditary algebra semihereditary domain semihereditary entire ring semihereditary ring semi-holonomic

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。