偵察
reconnoitre;scout
進(jìn)行～活動(dòng)conduct reconnaissance;carry out reconnoitring activities/敵后～ reconnoitre the enemy rear/火力～ reconnaissance by fire/～敵情gather intelligence about the enemy/～兵scout/～部隊(duì)reconnaissance troops(or unit);scouting force/～飛行reconnaissance flight/～機(jī)reconnaissance plane;scout/～衛(wèi)星spy(or reconnaissance)satellite/～員scout