对土地利用—作物生产系统模拟研究方面的国内外最新进展进行了综述。
The latest advances in the modeling of land use-crop production systems at home and abroad were summarized.
亚马逊： 砍伐树木、采矿、农种植作物和牛肉生产导致全球气候系统重要的稳定器——亚马逊雨林的破坏。
The Amazon: The razing of the Amazonian rainforest, a key stabiliser of the globalclimate system, by logging, mining, crop planting and beef production.
布莱克说：“他们提高了生产效率，改良了作物品种，并运用诸如免耕直播及全球定位系统等手段改进耕作方式。
They are getting a lot more efficient; they have a lot better crop genetics and agronomic practices like no-till farming and things like GPS [satellite-dependent global positioning system].
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