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单词 X-ray astronomer
释义

Definition of X-ray astronomer in English:

X-ray astronomer

noun
  • An expert or specialist in X-ray astronomy.

Origin

1960s.

 
 

Definition of X-ray astronomer in US English:

X-ray astronomer

noun
  • An expert or specialist in X-ray astronomy.

Origin

1960s.

 
 
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更新时间:2025/1/11 5:40:39