“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	essential fatty acid essential fatty acids essential function essential game essential gene essential graded ideal essential homomorphism essential hyperplane arrangement essential ideal essential inferior limit essential infimum essential intuition essentialism Essentialism art education thought essentialism education essentialism in education essential left ideal essentially bounded essentially bounded function essentially complete class essentially convergent sequence essentially different number essentially general position essentially homotopic essentially infinite cover

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