mapping data-base中文什么意思

例句与用法

1. 1 : 250000 terrain map data - base is the important achievement of the martial mapping project in the ninth five period and it make important role in the campaign training
   1 : 25万地形图数据库是“九五”期间军事测绘数字信息工程建设的一项重要成果，已经在部队作战训练中开始发挥积极的作用。
2. But most of it ' s data is collected in the eighty - decade , it is too old for the practical use today . the paper discuss the essential and the possibility of the using the space remote sensing imagery refresh the 1 : 250000 terrain map data - base
   但是，由于其建库普遍采用的是80年代地形图资料，成图时间较早，数据库数据现势性差已成为制约其在军事上应用的关键问题。