“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	Sengyou Sengzhao SEN-I GAKKAISHI senile angioma senile asthma senile canities senile cataract senile chorea，SC senile degenerated heart valvular disease, SDHVD senile delirium senile dementia senile dermatosis senile diabetes mellitus senile ectropion senile emphysema senile epilepsy senile frailty senile guttate leukoderma senile insanity senile keratosis senile macular degeneration senile mental disorders senile osteoporosis, SOP senile pigmentation senile psychosis

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。