reconnaissance

reconnaissance
[rɪˈkɒnɪs(ə)ns]
noun
  1. [mass noun]military observation of a region to locate an enemy or ascertain strategic features
    （军事）侦察
    an excellent aircraft for low-level reconnaissance.
    高性能低空侦察机。
    [as modifier]reconnaissance missions.
    侦察任务。
    [count noun]after a reconnaissance British forces took the island.
    一番侦察后，英国军队占领了该岛。
    ■preliminary surveying or research
    初步调查或研究
    conducting client reconnaissance.
    进行客户调查。
语源
  1. early 19th cent.: from French, from reconnaître 'recognize' (see reconnoitre)
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