speed line

US 
UK 
  • un.速度线;航速矢量线
  • Web航速线;速率线;快速航线
un.
1.
速度线
2.
航速矢量线

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Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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