external function | |
abbr. | exf |
"Acknowledge" | |
avia. Canada | An expression used in radiocommunication meaning "Let me know that you have received and understood this message." |
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exf |
external : 7 phrases in 5 subjects |
Abbreviation | 3 |
Computers | 1 |
Information technology | 1 |
Military | 1 |
Transport | 1 |