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单词 PDI
释义

Definition of PDI in English:

PDI

noun
  • Powered descent initiation (of a spacecraft).

Origin

1960s; earliest use found in New Scientist.

 
 

Definition of PDI in US English:

PDI

noun
  • Powered descent initiation (of a spacecraft).

Origin

1960s; earliest use found in New Scientist.

 
 
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更新时间:2025/1/9 6:43:36