“R树索引”的概念、定义、翻译、参考文献-科学参考

单词	R树索引
释义	R树索引 Encyclopedia 工学R树索引释 R-tree indexR树索引将B树向多维空间扩展的索引方法。它采用空间聚集的方式将相邻的空间实体划分在一起，组成更高一级的结点，直到所有实体组成一个根结点。是一种高效的空间索引。又称平衡树。
随便看	institutional economics institutional enforcement institutional environment institutional equilibrium institutional ethics institutional failure institutional framework institutional funds for personnel of agricultural institutions institutional history institutional hypothesis institutional innovation Institutional Investor institutional investor institutionalist movement institutionalized corruption institutional justice institutional matrix institutional morality institutional moralization institutional performance Institutional professional pension model institutional quality Institutional ranks institutional rational choice institutional reform on China's rural collective property

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。