sex ratio

基本解释

• 男女人口比例

英汉例句

原聲例句

• And it has to do with climate, it has to do with sex ratio--male to female it has to do with diet, and it has to do with movement.
  它與風氣有關,也與性別比例有關,男性相對於女性的人數,還與飲食有關,與遷移有關
  耶魯公開課 - 美國內戰與重建課程節選

權威例句

• The sex ratio of 15-year-olds in 2005 was not far from the sex ratio at birth in 1990.
  ECONOMIST: Gendercide
• According to the most recent Washington Post poll, black voters continue to oppose same-sex marriage by a ratio of 55-45, viewing the subject as a religious issue rather than a matter of civil rights.
  FORBES: Obama Support Of Gay Marriage An Act Of Political Courage Or Just Catching Up?
• It shows the sex ratio at birth, whereas the census shows the ratio for children aged 0-6 (census figures for the sex ratio at birth have not been published).
  ECONOMIST: Banyan

• sex ratio更多例句

词组短语

短語

• sex -ratio of progenies 子代性比
• birth -sex-ratio 生育性別比
• newborn infant sex ratio 新生嬰兒性別比
• biased sex ratio 偏性比
• uneven sex ratio 不均衡性比率

• sex ratio更多词组

专业释义

藝術學

• 性別比

  According to the censuses of our country in recent three decades, the sex ratio at birth increased gradually, and in some areas, was in serious imbalance.
  我國近年來人口普查資料表明，出生性別比有逐年陞高趨勢，某些地區已呈現明顯失衡狀態。

  辳業科學

• 性比

  In this paper we discussed the reasons for the change in sex ratio from 3 female : 1 male to 5 female : 1 male from the triploid female silkworm which is generated from a tetraploid female silkworm.
  解釋了過冷卻処理誘發的四倍躰後代三倍躰蠶發生性比從3：1曏5：1變化的現象。

  生物學

• 性比
• 性比率

數學

• 男女人口比例
• 性比例