rock soil engineering survey data 岩土工程勘察资料
The recommended fertilization information management system is established by using the ActiveX development of geographic information system and soil survey data.
利用嵌入式地理信息系统开发技术，结合各种土壤信息数据，建立测土施肥信息管理系统。
The field survey and the data analysis show that the cause of soil drying in the Loess Plateau of northern Shannxi has two aspects: natural causes and anthropogenic causes.
野外调查和资料分析显示，陕北黄土高原土壤干化原因有两个方面：一是自然原因；二是人为原因。
This paper adopted the soil distribution area, sampling data and soil organic content from the first soil general survey and applied the technique of GIS to estimate soil carbon reservior in China.
根据中国第一次土壤普查得到的土壤各类型分布面积、采样数据、土壤有机质含量，运用GIS技术，来估算土壤碳库。
应用推荐