中国具有悠久的土地开发史，由于地域辽阔，自然条件差异大，使土地利用与土地覆盖类型多种多样，中国的LUCC变化是全球环境变化的重要组成部分。
Owing to having long history of land development and various types of land cover, the change of China's LUCC is an important component part of global environmental changes.
同时土地利用与土地覆盖变化还是全球变化等模型的重要输入变量。
Also land use and land cover change is an important input variables to global change model.
植被与土地关系研究侧重于土壤特性、土地利用/覆盖变化、土地退化及水土流失状况；
The relationship between vegetation and land has mainly focused on the characteristics of soil, land use/cover change, land degradation and soil erosion.
70年代以来，遥感技术以其自身的优势，已成为获取土地利用与土地覆盖变化信息的重要手段。
Since the 1970s, remote sensing had becomed an important means to gain the information for land use and land cover change with their own advantage.
70年代以来，遥感技术以其自身的优势，已成为获取土地利用与土地覆盖变化信息的重要手段。
Since the 1970s, remote sensing had becomed an important means to gain the information for land use and land cover change with their own advantage.
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