“grassland degradation in China”的概念、定义、翻译、参考文献-科学参考

单词	grassland degradation in China
释义	grassland degradation in China Encyclopedia 理学中国草地退化释 grassland degradation in China中国草地退化中国天然草地在干旱、侵蚀、盐碱、虫鼠害等不利自然因素和过度放牧等不合理利用影响下，草地生物生产力减少、质量下降、草地利用率降低，甚至失去利用价值的过程。
随便看	algebraic field algebraic field extension algebraic form algebraic fraction algebraic function algebraic function field algebraic fundamental group algebraic-geometric algebraic-geometric code algebraic-geometric criterion algebraic-geometric invariant algebraic-geometric method algebraic geometry algebraic graph theory algebraic group algebraic group defined over a subfield algebraic group of k transformation algebraic group of k-transformation algebraic group of transformations algebraic groups over a local field algebraic groups over an algebraic number field algebraic group variety algebraic Hecke character algebraic homology class algebraic homomorphism

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