地形数据库的英文：
topographic database
a. 地志的,地形学上的
Topographic Command Satellite
地貌俯瞰卫星
soundness of the rock surface must be included in the topographic study.
岩石表面的坚固性，必须包括在地形研究之内。
soundness of the rock surface must be included in the topographic study
岩石表面的坚固性，必须包括在地形研究之内。
Orthophotographs usually do not include contours as shown on topographic maps
正射摄影象片一般不带像地图所表示的等高线。
More complex topographic features are treated advantageously by application of relaxation methods
比较复杂的地物，最好用松弛方法处理。
n. 数据库；资料库
dump database command
转储数据库命令
Are you sure to constrict the picture database?
您确定要压缩当前的图像数据库吗？
The latter must be presented in the database.
后者必需在数据库中呈现。
The database is updated monthly.
数据库每月更新。
The information is stored on a large database.
信息储存在巨大的数据库中。