“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	health service training health standard for aquatic animals health standards Health statistical methods Health statistical survey system Health Statistics Health statistics health statisticsin military health supervision and inspection Health Supervision and Management System health supervision for control and prevention of infectious diseases health supervision for drinking water health supervision of military training health supervision procedure health supervision system health system Health system performance health system performance health system responsiveness health technical personnel hygienic personnel health technology assessment health technology management Health testing methods health volunteer health worker effect

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