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

单词	topographic database
释义	topographic database Encyclopedia 工学地形数据库释 topographic database地形数据库将基本比例尺地形图上各类要素，按照一定的规则分层及标准分类编码，对各要素的空间位置、属性信息及空间关系等数据进行采集、编辑和处理后建成的数据库。地形数据库是基础地理信息系统中的一个子数据库。
随便看	product of intervals product of knots product of languages product of lattices product of linear forms product of manifolds product of mappings product of matrices product of measurable spaces product of measure product of measure spaces product of modules product of nearness spaces product of numbers product of objects product of operators product of ordinal numbers product of paths product of permutation groups product of points product of polynomials product of potencies product of relations product of representations product of residue classes

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。