“老少比”的概念、定义、翻译、参考文献-科学参考

单词	老少比
释义	老少比 Encyclopedia 法学年龄释 child aged ratio老少比总人口中老年人口数与少儿人口数之比。一般以百分数表示。
随便看	Zermelo paradox Zermelo principle Zermelo recurrence paradox Zermelo set theory Zermelo's recurrence paradox [Zermelo's] recurrence paradox Zermelo theorem Zernike Zernike, Frits Zernike phase contrast method Zernike phase contrast microscope Zernike's phase contrast principle Zernike theorem zero zero adjustment zero adjustment deviation processing zero-age horizontal branch zero-age main sequence zero algebra zero allowance assembly zero anaphora Zero and negative tour expense zero approximation zero arrow zeroaxial

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。