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age composition

A 开头单词

基本解释

  • 年龄结构;[统计] 年龄组成;年龄分布

英汉例句

    双语例句

  • Different case classifications had different age composition.
    病例分型不同,年龄构成不同。
  • ResultsCompare with gender, age composition and lesion side and severity of?he treatment group and control group, the diagnostic standards have no statistical significance (P>0.05). It is comparable.
    结果治疗组与对照组患者的性别、年龄构成及患侧、病情轻重等指标经过统计学检验,无明显差异(P>0.05),具有可比性。
  • Conclusion The incidence of gastric cancer in the region is high and the incidence of men was significantly higher than women, it has the specific age composition and location of composition.
    结论该地区处于胃癌高发区域,发病呈现男性显著高于女性,且有着其特异的发病年龄构成和部位构成。
    www.cmed.org.cn
  • 权威例句

  • 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

词组短语

    短语

  • age class composition 龄级结构
  • 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

专业释义

    生物学

  • 年龄结构
  • 年龄分布
  • 年龄组成
  • 数学

  • 年龄构成
  • 年龄组合
  • 年龄组成
  • 农业科学

  • 年龄组成
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