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单词 reconnoissance
释义

WordReference Random House Learner's Dictionary of American English © 2024
re•con•nais•sance /rɪˈkɑnəsəns, -zəns/USA pronunciation   n. 
  1. the act of reconnoitering;
    a survey or examination of an area: [uncountable]reconnaissance with telescopic cameras.[countable]ordered a reconnaissance.
See -gnos-.
WordReference Random House Unabridged Dictionary of American English © 2024
re•con•nais•sance  (ri kon′ə səns, -zəns),USA pronunciation n. 
  1. the act of reconnoitering.
  2. Militarya search made for useful military information in the field, esp. by examining the ground.
  3. Surveyinga general examination or survey of a region, usually followed by a detailed survey.
  4. Geologyan examination or survey of the general geological characteristics of a region.
Also, re•con′nois•sance. 
  • French; Middle French reconoissance recognizance
  • 1800–10

Collins Concise English Dictionary © HarperCollins Publishers::
reconnaissance, reconnoissance /rɪˈkɒnɪsəns/ n
  1. the act of reconnoitring
  2. the process of obtaining information about the position, activities, resources, etc, of an enemy or potential enemy
  3. a preliminary inspection of an area of land before an engineering survey is made
Etymology: 18th Century: from French, from Old French reconoistre to explore, recognize
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