“1972年大旱”的概念、定义、翻译、参考文献-科学参考

单词	1972年大旱
释义	1972年大旱 Encyclopedia 工学〔重大干旱灾害事件〕释 severe drought in 19721972年大旱 1972年，中国发生的严重干旱灾害。
随便看	difference between injection and production pressures difference boundary-value problem difference bundle difference cochain difference cocycle difference coefficient difference cokernel difference correction difference-cover difference differential equation difference-differential equation difference distribution difference element difference equation difference family difference formula difference Fourier synthesis difference frequency difference frequency distortion difference-frequency distortion difference game difference group difference hierarchy difference interval difference kernel

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。