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- elevation data base 高程数据库
- In a data base, the smallest unit of data that can be referred to. 在数据库中,可被访问的最小数据单位。
- The overall logical organization of a data base. 一种数据库的总体的逻辑结构。
- Principle and application of engineering data base. 工程数据库原理及应用。
- The demonstration program of data base query. 数据库查询示例程序
- The DEM format encodes elevation data to create highly detailed terrains. DEM格式编码高程数据来创建高清晰地形。
- One moment. While we connect our data base. 稍等,连接数据库。
- Data Base Error reading sector on hard disk. 在硬碟上有错误的磁区而阻碍正确档案的读取。
- In data base terminology, a single instance, for example, a set occurrence, a record occurrence. 在数据库术语中,一个单一实例,例如,一组具体值,一个记录的具体值。
- In a relation data base, the number of tuples in a relation. 关系数据库中,一个关系的元组数目。
- Mapping application developers: Combine raster, vector and elevation data to create dynamic moving maps using KineMap digital map software. 数字地图制作工具,将光栅、量和海拔数据生成动态地图。
- A logical sub-division of a data base that contains all occurrences of stipulated data aggregates. 数据库中的一种逻辑子域,它包含了有约定的数据的聚集的全部(具体)值。
- Analyzing the storage format of DMA DTED and USGS DEM and then presenting a new digital terrain elevation data storage format. 分析了DMA的DTED和USGS的DEM高程数据存储格式,比较了其异同,提出了一种高效的数字地图高程数据的存储格式并实现了存取算法。
- To achieve precise elevation data, the time-delay was obtained by correlation operation sending wave and receiving wave. 通过发射信号与回波信号进行互相关运算精确捕捉回波信号的到达时刻以实现高程数据的测量。
- In a data base,the smallest unit of data that can be referred to. 在数据库中,可被访问的最小数据单位。
- A name used to identify the data unit in a data base. 用于标识数据库中数据单位的名字。
- Compared with the previous version, perfected Turkish data base. 与前一版本相比完善了土耳其语文本库。
- The results show that the extracted river system matches well with the natural river system by means of adding the elevation data and digitizing main river with pseudo river. 结果表明,在盆地区域添加能反映微地形变化的数据点,并将河谷中出现伪河道的干流河网数字化,能生成反映流域实际情况的模拟河网。
- The newly built library has a data base of thousands of subjects. 这个新建成的图书馆有成千上万种学科的数据库。
- Proficiency with data based problem solving. 熟练运用基于数据的问题解决方法。