“出生性别比”的概念、定义、翻译、参考文献-科学参考

单词	出生性别比
释义	出生性别比 Encyclopedia 法学生育率释 sex ratio at birth出生性别比在特定的时间和空间范围内出生时的活产男婴数与活产女婴数之比。又称出生人口性别比、第一性别比。
随便看	mean time to first failure mean time to repair mean time to repair, MTTR mean-time type time-signal mean tone temperament mean transmission rate mean type mean unbiased estimator mean value mean-value characterization mean valued function mean-valued function mean-value estimate mean-value formula mean-value function mean-value functional mean value method mean-value method mean value of a function mean value of a random variable mean value of data mean-value property mean value theorem mean-value theorem mean-value theorem of differentials

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