“Hexi Sijun”的概念、定义、翻译、参考文献-科学参考

单词	Hexi Sijun
释义	Hexi Sijun Encyclopedia 理学河西四郡释 Hexi Sijun河西四郡中国两汉时期设在河西走廊酒泉（今属甘肃）、张掖（今属甘肃）、敦煌（今属甘肃）、武威（今属甘肃）四郡的总称。
随便看	spectral luminous efficiency spectrally isomorphic operator spectrally unique spectral manifold spectral mapping spectral mapping theorem spectral matching spectral matrix spectral measure spectral measurement spectral method spectral method of colorimetry spectral mixing model spectral model spectral moment spectral multiplicity Spectral music spectral natural broadening spectral norm spectral number spectraloid spectral operator spectral optimization algorithm spectral order spectral parameter

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。