“Engraved Hourglass Nebula”的概念、定义、翻译、参考文献-科学参考

单词	Engraved Hourglass Nebula
释义	Engraved Hourglass Nebula Encyclopedia 理学行星状星云释 Engraved Hourglass Nebula沙漏星云位于苍蝇座，标准历元J2000的赤经13h39m35.07s，赤纬-67°22′51.74″的年轻行星状星云。因其形状像西方记录时间的沙漏而得名。又称MyCn18。
随便看	abstraction of actual infinity abstraction of potential realizability abstraction of value abstraction operator abstraction principle abstraction reaction abstraction sequence abstraction theorem abstract journal abstract kernel abstract linear space abstract machine abstract manifold abstract mapping abstract mathematics abstract metaclass abstract model abstract model theory abstract network abstract nonsense abstract nonsingular curve abstract norm abstract number abstract of instrument abstract operator

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。