第一部分_爱好者文档网 Keywords: China; model comparison; net primary production (NPP); temporal and spatial changes [gap=18821]关键词:网络GIS;Web服务;矢量场;网络可视化
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In the third part, the temporal and spatial changes of the cultivated land in Zhangye Oasis are analyzed.
第三部分分析了张掖绿洲耕地资源的时空变化。
参考来源 - 张掖绿洲耕地资源时空变化与驱动要素研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Based on the data of groundwater depth of 18 wells at three sections in the middle reaches of Tarim River from 2001 to 2003, the spatial and temporal changes of groundwater depth were analyzed.
通过2001—2003年对塔里木河干流3个断面18眼地下水监测井数据分析表明，沙子河口断面地下水埋深无明显变化；
Immunohistochemical technique and imaging analysis technique were used to detect the temporal and spatial distributions and changes of the astrocyte in spinal cord in the animals of each group.
利用免疫组织化学方法及图像分析系统对各组动物脊髓内星形胶质细胞的时空分布和变化进行观察和分析。
This paper presents a spatial analysis method based on multi-temporal DEM elevation changes and DOM images changes and gives a qualitative and quantitative analysis of the terrain change.
提出了多时相dem的高程变化与DOM影像变化分析协同的空间分析方法，对地表变迁进行了定性与定量的分析。
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