Fraunhofer line
短语[化] 夫琅禾费谱线
词形变化
Fraunhofer lines
复数
Fraunhofer lines
别名
Frauenhofer's line
释义与例句
n.
-
1.
any of a series of dark lines in the solar spectrum; due to the absorption of light by atoms and molecules in the Sun's atmosphere
物理