“Closed Population”的概念、定义、翻译、参考文献-科学参考

单词	Closed Population
释义	Closed Population Encyclopedia 法学人口学方法释 Closed Population封闭人口在一定地域范围内，既无迁入也无迁出的人口，人口规模的变化完全取决于出生和死亡因素的人口类型。
随便看	categorical proposition categorical quotient categorical response categorical semantics categorical sum categorical syllogism categorical system of axioms categorical theory categorical topology categorical variable categoricity categoricity in cardinality categoricity in powers categoricity of theories categoricity theorem categories categories of art categories of endangered species in fishery categories of fishes categories of mental activity categories of play categories of securities categories of the understanding categories of transportation planning categorization

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。