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单词 metallic-line
释义

Definition of metallic-line in English:

metallic-line

adjective
Astronomy
  • Designating a main-sequence star whose spectrum shows unusually strong absorption lines for many of the heavier elements, including rare earths.

Origin

1940s.

 
 

Definition of metallic-line in US English:

metallic-line

adjective
Astronomy
  • Designating a main-sequence star whose spectrum shows unusually strong absorption lines for many of the heavier elements, including rare earths.

Origin

1940s.

 
 
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更新时间:2024/12/31 23:22:28