“马头星云”的概念、定义、翻译、参考文献-科学参考

单词	马头星云
释义	马头星云 Encyclopedia 理学暗星云释 Horsehead Nebula马头星云位于猎户座亮星云IC 434（由猎户座σ星所电离）中的暗星云。因形状类似马头而得名。 Astronomy Horsehead Nebula马头星云
随便看	Frederic William Maitland Frederik Grant Banting Frederiksberg Frederiksborg Castle Garden Frederik van Zyl Slabbert Fredholm Fredholm alternative Fredholm alternative theorem Fredholm determinant Fredholm equation Fredholm first minor Fredholm index Fredholm integral equation Fredholm integral equation of the first kind Fredholm integral equation of the second kind Fredholm integral equation of the third kind Fredholm kernel Fredholm mapping Fredholm method Fredholm minor Fredholm operator Fredholm problem Fredholm r-th minor Fredholm spectrum Fredholm theorem

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。