“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	oxygen dissociation curve oxygen effect oxygen electrode oxygen enriched bottom blowing smelting process oxygen enriched combustion oxygen-enriched draft sintering Oxygen-enriched gasification oxygen enrichment for plateau railway station and train oxygen evolution reaction oxygen-free copper oxygen-fuel combustion flux for electric arc furnace oxygen fugacity oxygen generation based on water electrolysis oxygen group element oxygen gun brake oxygen-heat-pressure acid leaching of mineral raw material oxygenic photosynthesis oxygen in coal oxygen index oxygen inhalation Oxygen Isotope Analysis oxygenization oxygen lance oxygen-lime converter steelmaking process oxygen mask

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