intelligence activity

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the operation of gathering information about an enemy
• Syn:
intelligence, intelligence operation
• Hypernyms:
information gathering
• Hyponyms:
spying, undercover work, current intelligence, tactical intelligence, combat intelligence,
strategic intelligence, signals intelligence, SIGINT, clandestine operation, overt operation, reconnaissance,
reconnaissance mission, counterintelligence