“noctilucent cloud”的概念、定义、翻译、参考文献-科学参考

单词	noctilucent cloud
释义	noctilucent cloud Encyclopedia 理学夜光云释 noctilucent cloud夜光云在曙暮期间出现于地球较高纬度高空的一种发光而透明的云。 Astronomy noctilucent cloud缩写：NLC。夜光云
随便看	direct subgroup direct subsidies to grain farmers direct subsidy for grain production direct succession direct successor direct sum direct sum decomposition direct sum group direct summand direct sum module direct sum of groups direct sum of ideals direct sum of modules direct sum of objects direct sum of representations direct sum of rings direct sum of sets direct sum of sheaves direct sum of subspaces direct sum representation direct-sum set direct-sum space direct sunlight direct switching direct system

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。