“种群年龄结构”的概念、定义、翻译、参考文献-科学参考

单词	种群年龄结构
释义	种群年龄结构 Encyclopedia 理学种群年龄结构释 age structure of population种群年龄结构种群中各年龄阶段的个体在种群中所占的比例。又称种群年龄分布、种群年龄组成。
随便看	first-order variation first orthogonality relation First Outline of a System of the Philosophy of Nature first partial derivative first passage first-passage-time first pass effect first-person shooter first phase First Plenary Session of the Chinese People's Political Consultative Conference first point of Aries first point of aries first point of Cancer first point of Capricornus first point of Libra first point of libra first polar first polar body first postulate of thermodynamics first principal line first principal plane first principle first-principle first principle calculation first principles

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。