“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	agricultural biotechnology Agricultural books of ancient China agricultural capital agricultural capitalist agricultural capitalization agricultural carbon sequestration and greenhouse gas emission reduction agricultural carbon sink agricultural carbon source agricultural cleaner production agricultural climate fine division agricultural climatology agricultural collectivization campaign Agricultural Collectivization in the Soviet Union agricultural commodity exchange agricultural community agricultural competitive industries agricultural competitiveness agricultural cooperation economic organization agricultural cooperation movement in China agricultural crane agricultural crisis in the 1920s and 1930s agricultural culture agricultural damage due to rain agricultural development project agricultural development speed

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