“urban population density”的概念、定义、翻译、参考文献-科学参考

单词	urban population density
释义	urban population density Encyclopedia 工学城市规划指标释 urban population density城市人口密度一定时期城市或城市中一个地区，单位用地面积上的居住人口数。其单位是人/平方千米或人/公顷。
随便看	directed family directed family of points directed family of sets directed flow directed forgetting directed graph directed graph; digraph directed graphics directed group directed infinity Directed Infrared Countermeasures direct editing directed limit directed line directed line-segment directed mutagenesis directed network directed order directed ortho metallation directed ortho-metallation directed oxidation processing of ceramic matrix composites directed path directed plane directed point set directed quantity

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。