“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	catalyst for polycondensation catalyst for synthetic ammonia catalyst for wet air oxidation catalyst grading catalyst industry catalyst layer catalyst life catalyst lifetime catalyst manufacturing catalyst of methanol to olefins catalyst of methanol to propylene catalyst poisoning catalyst preparation unit catalyst regeneration catalysts catalysts and catalytic reactions catalyst selectivity catalysts of H2S selective oxidation catalyst strength catalyst utilization catalytic activity catalytic antibody catalytic biosensors catalytic chemical vapor deposition catalytic chemical vapor deposition, cat-CVD

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