“population composition by sex”概念、定义、翻译-科学时代

单词	population composition by sex
释义	人口学词汇手册 population composition by sex 人口性别构成
随便看	meaning of self meaning postulate meaning potential meaning-preserving mean instruction execution rate mean interval between divorce and remarriage mean interval between successive generations mean interval between widowhood and remarriage mean latitude mean length of education mean length of generation mean length of life mean length of utterance mean length of utterance--mean length of utterance（MLU） mean length of utterance（MLU） mean level mean level of wave mean life mean life mean life(time) mean lifetime mean light curve mean likelihood estimator mean line mean linear range

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。