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单词 noise footprint
释义

Definition of noise footprint in English:

noise footprint

noun
  • The ground area beneath a flying aircraft over which the noise exceeds a specified level.

Origin

1970s; earliest use found in Aeronautical Journal.

 
 

Definition of noise footprint in US English:

noise footprint

noun
  • The ground area beneath a flying aircraft over which the noise exceeds a specified level.

Origin

1970s; earliest use found in Aeronautical Journal.

 
 
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更新时间:2024/11/10 19:30:55