“age structure of population”的概念、定义、翻译、参考文献-科学参考

单词	age structure of population
释义	age structure of population 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	survey of the law of the United Kingdom survey of the law of the United States of America Survey of the Operation of Opera Troupes in China survey of wintering waterbirds Survey on Professional Ethics of Journalists in Current China survey on the population and quantity of marine organisms Survey on Traditional Chinese Novels Surveyor Surveyor probe surveyor's rod,staff survey photography of crime scene survey research survey sampling survey-sampling Surveys in Geophysics survey telescope survey unemployment rate survivability survivability of the missile survival survival ability of nuclear weapon survival analysis survival at sea survival competitiveness survival consumption

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