“hyper-arid area”的概念、定义、翻译、参考文献-科学参考

单词	hyper-arid area
释义	hyper-arid area Encyclopedia 农学荒漠化气候分区释 hyper-arid area极端干旱区干旱指数小于0.05的区域。旱区类型之一。
随便看	unitary right module unitary ring unitary ring; ring with identity unitary R-module unitary sampling unitary scattering factor unitary semigroup unitary semisimilarity unitary semi-similitude unitary similarity unitary similar matrix unitary sociable number unitary space unitary spin unitary subalgebra unitary subring unitary symmetry unitary symplectic group unitary transformation unitary transformation group unitary trick unitary unimodular group unitary vector space unit ausiliary transformer unit automatic start-up and shut-down control

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