go top

age composition

  • 年龄结构;[统计] 年龄组成;年龄分布

网络释义专业释义

  [统计] 年龄组成

年龄组成age composition):种群内各个体年龄分布的状况,也就是各个年龄级的个体数在整个种群个体总数中所占的百分比。

基于391个网页-相关网页

  年龄构成

城市人口年龄构成age composition) 指一定时间城市人口按年龄的自然顺序排列的数列所反映的年龄状况, 以年龄的基本特征划分的各年龄组人数占总人口的比例表示。

基于242个网页-相关网页

短语

age class composition 龄级结构

Age e Composition 年龄结构

age group composition 龄组结构

Population age composition 种群年龄组成

Age Composition Oh 时代因素哦

age composition of fish 鱼类年龄组成

age composition of population 人口年龄结构等

mosquito age composition 蚊龄组成

 更多收起网络短语
  • 年龄结构 - 引用次数:1

    参考来源 - 闽南近海中国团扇鳐Platyrhina sinensis(Bloch et Schneider,1801)生殖及生化生态研究
    年龄分布
    年龄组成
  • 年龄构成
    年龄组合
    年龄组成
  • 年龄组成

·2,447,543篇论文数据,部分数据来源于NoteExpress

同近义词

双语例句权威例句

  • Different case classifications had different age composition.

    病例不同年龄构成不同

    dict.cnki.net

  • The census results show that big changes have taken place in the population's age composition .

    这次人口普查反映中国人口年龄结构发生较大变化

    www.websaru.com

  • LCBP model predicts the weight of trend on terms that have considered such environmental factors as the economic income level, population, age composition level and flow of floating population, etc.

    其中LCBP模型考虑经济收入水平人口年龄结构层次流动人口流量环境因子条件下对趋势分量进行预测

    dict.cnki.net

更多双语例句
  • Many of the people that will contribute to it have already been born, so short of some catastrophe that kills off large numbers of people, or some Viagra-fuelled leap in birth rates, population numbers and age composition can be predicted with fair accuracy for decades ahead.

    ECONOMIST: Demographics: Greying globe | The

  • Using a combination of modern physics tools--including three-dimensional, high-resolution X-ray, radiocarbon dating with accelerator mass spectrometry, and infrared spectroscopy--the researchers analysed the tooth to determine the age and composition of a resinous filling detected inside.

    UNESCO: Basic Sciences

  • But the 22-year-old Brit, who started writing music at age 4, also studied composition and violin at the prestigious Guildhall School of Music and Drama and wrote a piece for the London Philharmonic Orchestra last year.

    NPR: Micachu And The Shapes: Kitchen Sink Music

更多权威例句
$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定