“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	poly(N-isopropylacrylamide) polynome polynomial polynomial acceleration polynomial acceleration method polynomial algebra polynomial allocation polynomial approximation polynomial arithmetic polynomial bar norm polynomial bracket norm polynomial code polynomial coefficient polynomial convex hull polynomial convexity polynomial curve polynomial decision rule polynomial degree polynomial discriminant polynomial distribution polynomial divisor polynomial equation polynomial expansion polynomial extrapolation polynomial factoring

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