“bilateral family”的概念、定义、翻译、参考文献-科学参考

单词	bilateral family
释义	bilateral family Encyclopedia 法学双系家庭释 bilateral family双系家庭由母系氏族制向父系氏族制过渡时期的家庭形式。
随便看	positive (symmetric) operator positive symmetric operator positive system of roots positive term positive term series positive trace positive type positive uniaxial crystal positive value positive variation positive variation of a function positive variation of signed measure positive vector positive vector bundle positive vibrating mitigation positive Weyl chamber positive youth development positive zero positivism positivism methodology of psychology positivism policy analysis positivist history positivistic sociology positivist jurisprudence positivity

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。