“proto-planetary nebula”的概念、定义、翻译、参考文献-科学参考

单词	proto-planetary nebula
释义	proto-planetary nebula Encyclopedia 理学原行星状星云释 proto-planetary nebula;proto-PNe原行星状星云中小质量恒星（0.8～8.0太阳质量）处在从渐近巨星支（AGB）恒星向行星状星云过渡的一个快速演化阶段（持续时间约1000年）的天体。 Astronomy proto-planetary nebula原行星状星云
随便看	Scuffing, scoring scuipture of Han Dynasty scullery sculponeatin sculpted reliefs on the sarcophagus bed in the Anjia tomb of the Northern Zhou Dynasty sculpted reliefs on the sarcophagus bed of the Northern Qi Dynasty in Anyang City Sculptor Sculptor Dwarf Galaxy Sculptor-Fornax galaxy Sculptor galaxy Sculptor group Sculptorids sculptors of Five Dynasties sculptors of Liao,Jin and Yuan dynasties sculptors of Song Dynasty sculptors of Sui and Tang Dynasties Sculptor supercluster Sculptor system Sculptor void Sculpture Sculptured Hills sculptured velvet Sculpture from the pre-Angkor period Sculpture in the Parthian Empire sculpture landscape

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