“metallicity gradient”的概念、定义、翻译、参考文献-科学参考

单词	metallicity gradient
释义	metallicity gradient Encyclopedia 理学银河系演化释 metallicity gradient金属丰度梯度气体或恒星的金属丰度随空间位置的变化趋势。 Astronomy metallicity gradient金属度梯度
随便看	sound exposure level sound fade out and fade in sound field sound field, acoustic field sound field quantity sound flash back sound flash forward sound focusing sound funnel sound girder sound girder, sound crossbeam sound gloss sound grating sound-hard boundary sound horizon sound image sound image control sound in film & TV sounding sounding accuracy evaluation sounding balloon sounding board sounding datum sounding device sounding electrode

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