“用户高程数据库”的概念、定义、翻译、参考文献-科学参考

单词	用户高程数据库
释义	用户高程数据库 Encyclopedia 工学卫星无线电定位业务释 user elevation database用户高程数据库测量与控制中心（MCC）存储的，以等高线数据和少量控制点数据，选择合适的算法生成的数字高程模型（DEM）数据。
随便看	closed range theorem closed ray closed region closed reserve system closed resonator closed Riemann surface closed ring closed scheme closed season closed semicircle closed semigroup closed semisphere closed sentential formula closed sequence closed set closed set basis closed-shelf book selling closed shell closed shell ion closed-shell ion closed shell molecule closed simplex closed solid sphere closed solution closed space

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。