“sunspot penumbra”的概念、定义、翻译、参考文献-科学参考

单词	sunspot penumbra
释义	sunspot penumbra Astronomy sunspot penumbra黑子半影
随便看	mineral material science mineral medicine analysis mineral microbeam analysis mineral microorganisms mineral modification processing mineral natural flotability mineral nutrition mineral occurrence mineral occurrence inspection mineralocorticoid mineralocorticoid-induced hypertension mineral of quartz group mineralogical mineralogical phase rule mineralography mineralogy Mineralogy and Petrology mineralogy of coal mineraloid mineral oxidation mineral physics mineral pigment mineral precipitation mineral processing mineral processing auxiliary equipment

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。