“sex ratio at birth”的概念、定义、翻译、参考文献-科学参考

单词	sex ratio at birth
释义	sex ratio at birth 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	lexical collocation lexical construction lexical definition lexical development lexical diffusion lexical entry lexical field lexical function Lexical Functional Grammar lexical functional grammar lexical functional grammar, LFG lexical gap lexical item lexicalization Lexicalization: The Origin and Evolution of Chinese Disyllabic Words lexicalized model lexicalized parsing lexicalized tree adjoining grammar lexical meaning lexical meaning control Lexical Priming Theory lexical replacement lexical selection Lexical Semantics lexical unit

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。