“老龄化水平”的概念、定义、翻译、参考文献-科学参考

单词	老龄化水平
释义	老龄化水平 Encyclopedia 工学公共服务设施规划释 population aging level老龄化水平即人口老龄化水平，用来衡量社会人口结构的重要参数。用地区老年人口数与总人口数之比值来表示。
随便看	modulus of an epicycloid modulus of a number modulus of a plane domain modulus of a prime end modulus of a quadratic invariant modulus of a quadrilateral modulus of a real number modulus of a ring modulus of a trochoid modulus of a vector modulus of compression modulus of continuity modulus of convergence modulus of convexity modulus of deformation modulus of distance modulus of elasticity modulus of fiber modulus of periodicity modulus of polymers modulus of precision modulus of ray class group modulus of rigidity modulus of sediment runoff modulus of smoothness

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。