“emission nebula”的概念、定义、翻译、参考文献-科学参考

单词	emission nebula
释义	emission nebula Encyclopedia 理学发射星云释 emission nebula发射星云受附近高温恒星的紫外辐射激发而发光的亮星云，其光谱中包含发射线。是气体星云的一种。又称弥漫发射星云。 Astronomy emission nebula发射星云
随便看	prestressed concrete prestressed concrete bridge prestressed concrete cylinder pipe prestressed concrete structure prestressed jack prestressed steel bar binding machine prestressedsteel heading prestressed steel tensioning machine prestressed strand prestressed structure prestressed tendons with anchors prestressed tendons with connectors prestressed wire prestressing prestressing technique prestressing tendon prestretching prestripping prestructure presubscript presumption presumption of causation presumption of constitutionality presumption of fault presumption of innocence

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。