“the Needham puzzle”的概念、定义、翻译、参考文献-科学参考

单词	the Needham puzzle
释义	the Needham puzzle Encyclopedia 经济学经济发展释 the Needham puzzle李约瑟之谜 20世纪英国科学史家和生物化学家J.李约瑟（Joseph Needham，1900-12-09～1995-03-24）在研究中国古代文化过程中提出的问题。又称李约瑟难题。
随便看	principal root of unity principal scale principals' cultural leadership principals' curriculum leadership principal section principal section of crystal principal series principal series representations principal set principal sheet principal solution principal space principal spectrum principal sphere principal sphere of curvature principal square root principals' research leadership principal state model principal state of polarization principal's teaching leadership principal strain principal subgroup principal subgroup series principal submatrix principal submodule

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