“北欧传说”的概念、定义、翻译、参考文献-科学参考

单词	北欧传说
释义	北欧传说 Encyclopedia 文学北欧地区文学释 Nordic sagas北欧传说 13世纪前后冰岛人和挪威人用文字记载的古代口头创作，包括神话和英雄传奇。
随便看	positive subspace positive supportive reaction 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

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。