| 单词 | Fraunhofer lines |
| 释义 | Fraunhofer lines Fraun.ho.fer lines AHD: [froun“h½”f…r] D.J. [6fra&n7h*&f*]K.K. [6fra&n7hof+]pl.n.（复数名词）A set of several hundred dark lines appearing against the bright background of the continuous solar spectrum and produced by absorption of light by the cooler gases in the sun's outer atmosphere at frequencies corresponding to the atomic transition frequencies of these gases.夫琅和费谱线：与连续太阳光谱的明亮背景形成对比的一套数百条的黑线，由于太阳外部的大气层中的较冷气体与它们的原子跃迁频率一致吸收了光而产生语源:After Joseph von Fraunhofer (1787-1826), German physicist 源自约瑟夫·冯 夫琅和费 (1787-1826年），德国物理学家 |
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