“区域旱情等级”的概念、定义、翻译、参考文献-科学参考

单词	区域旱情等级
释义	区域旱情等级 Encyclopedia 工学〔标准和制度〕释 Classification of Regional Drought Severity《区域旱情等级》中国规范全国、省（自治区、直辖市）、地（市、州、盟）和县（区、旗）四级行政区旱情评估工作的国家标准。
随便看	contraction hypothesis contraction mapping contraction mapping principle contraction of a class contraction of a complex space contraction of a graph contraction of a group contraction of a mapping contraction of a matroid contraction of an algebra contraction of an ideal contraction of a representation contraction of a tensor contraction of a tensor space contraction of field operators contraction of operators contraction of tensor contraction of the flexor tendons in young animals contraction operator contraction phase contraction principle contraction relation contraction semigroup contraction theorem contractive

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。