“urban primacy”的概念、定义、翻译、参考文献-科学参考

单词	urban primacy
释义	urban primacy Encyclopedia 经济学城市规模释 urban primacy城市首位度一国或区域内首位(规模最大的)城市与其第二位(规模次大的)城市的人口数之比。反映一个国家或地区最大城市的重要程度。
随便看	chemical laser chemical leaching chemical leaching reagent for polluted soil chemical lifecycle management chemical literature database chemical-looping combustion chemical looping combustion power cycles chemically activated reactions chemically induced dynamic electron polarization chemically induced dynamic electron polarization (CIDEP) chemically modified electrode chemically modified electrode (CME) chemically modified electrodes chemically modified optically transparent electrode chemically peculiar star chemically pure reagent chemically pure reagent (C.P.) chemically soluble substance chemical machinery chemical machining chemical markup language chemical master data management chemical master equation chemical material for vacuum electronic device chemical materials room for cultural relic restoration

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。