“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	simultaneous equations model simultaneous estimation simultaneous events simultaneous exploration of coal and uranium simultaneous exploration of oil and potash simultaneous exploration of oil and uranium simultaneous fault simultaneous fermentation simultaneous game simultaneous homogeneous approximation simultaneous inequalities simultaneous inference simultaneous integral equations simultaneous interpreting simultaneous interval estimation simultaneous invariants simultaneous iteration simultaneous leaching simultaneous linear congruences simultaneous linear equations simultaneous localization and mapping simultaneously satisfiable simultaneous masking simultaneous multiplane imaging simultaneous multiple surface design method

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。