“张云”的概念、定义、翻译、参考文献-科学参考

单词	张云
释义	张云 Encyclopedia 理学﹝天文学家﹞释 Zhang Yun张云（1897-09-11～1958-10-27）中国天文学家。字乐鍏，号子春。
随便看	normal nebula normal neighborhood normal net normal number normal ogive model normaloid normaloid matrix normaloid operator normal operator normal order normal ordering normal orthogonal basis normal partitioning normal p-complement normal pedal curve normal phase normal phase high performance liquid chromatography normal place normal plane normal point normal polygon normal polynomial normal population normal positive cone normal pressure/atmospheric concentration equipment

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。