re·con·nais·sance /rɪˈkɑnəzən(t)s, sən(t)s/
 偵察,搜察,勘察隊


 reconnaissance
 偵察


 Re·con·nais·sance, Re·con·nois·sance n.  The act of reconnoitering; preliminary examination or survey. Specifically: (a) Geol. An examination or survey of a region in reference to its general geological character. (b) Engin. An examination of a region as to its general natural features, preparatory to a more particular survey for the purposes of triangulation, or of determining the location of a public work. (c) Mil. An examination of a territory, or of an enemy's position, for the purpose of obtaining information necessary for directing military operations; a preparatory expedition.
 Reconnoissance in force Mil., a demonstration or attack by a large force of troops for the purpose of discovering the position and strength of an enemy.

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 reconnaissance
      n : the act of reconnoitring (especially to gain information
          about an enemy or potential enemy); "an exchange of fire
          occurred on a reconnaissance mission" [syn: {reconnaissance
          mission]