“3D GIS”的概念、定义、翻译、参考文献-科学参考

单词	3D GIS
释义	3D GIS Encyclopedia 工学三维地理信息系统释 3D geographic information system；3D GIS三维地理信息系统布满三维空间的地理信息系统。是在二维地理信息系统的基础之上，增加了连续的地面三维信息作为新的数据源，从而给用户提供了一个更直观易用的实景可视化环境。
随便看	quadratic reciprocity quadratic reciprocity law quadratic reciprocity theorem quadratic recurrence equation quadratic representation quadratic residue quadratic residue modulo m quadratic residue symbol quadratic residue theorem quadratic risk quadratic root quadratics quadratic sieve quadratic sine quadratic smoothing quadratic solitons quadratic space quadratic space of a quiver quadratic square quadratic stability quadratic stabilizability quadratic stabilization control quadratic Stark effect quadratic sum quadratic surd

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。