“digital map database”的概念、定义、翻译、参考文献-科学参考

单词	digital map database
释义	digital map database Encyclopedia 工学地形辅助导航系统释 digital map database数字地图库存储在计算机或存储介质中数字化了的地图数据，也是具有确定坐标和属性的地形和地物特征信息的有序离散数据集合。
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