Human activities, resulted in land use and land cover changes, are main causes of global environmental change.

由人类活动引起的上地利用和地被覆盖的变化是地球上环境变化的主要原因。

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Human activities, resulted in land use and land cover changes, are main causes of global environmental changes.

由人类活动引起的土地利用和地被覆盖的变化是地球上环境变化的主要原因。

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Land cover changes analysis by RS data has been widely used to study the environmental impact of the development project at present.

利用遥感影像数据分析区域土地覆被变化，目前在开发建设项目环境影响调查中已得到广泛应用。

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This second mission is supposed to loft the Proba-V satellite to collect data on land cover and vegetation changes over the entire globe every couple of days.

BBC: Bad weather postpones Europe's Vega rocket launch