“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	ballas ballast ballast bed ballast cleaning machinery ballast curing equipment ballast distributing and profiling machinery ballastless ballastless track ballastless track on turnout section ballast resistor ballast resistor, barretter ballast track Ball Bearing ball clay ball dance Balleny Islands Ballerina on the Boat Ballet ballet costume and shoe ballet in Europe balleting Ballets Russes Balletto ball exercise ballgame fan

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