sex ratio at birth

 
  • 出生性别比

sex ratio at birth的用法和样例:

例句

  1. Remarkably high sex ratios at birth have been observed recently in Asian populations.
    高出生性别比常常发生在亚洲的人口中。
  2. What happens to the sex ratio at birth if fertility is maintained at a low level depends on the evolution of son preference.
    如果生育率维持在低水平上,出生性别比的前景取决于男孩偏好的演化。

sex ratio at birth的相关资料:

临近单词

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