sight

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【释义】：

n．视力，瞄准具v．瞄准

◇in sight在…范围内看得见out of sight看不见out of sight of在看不见…的地方within sight在…范围内within sight of能看见

‖out-of-sight flight(flying)能见范围外的飞行out-of-sight radio control视界外的无线电控制out-of-sight target能见范围外的目标sight alignment三点成一线sight aperture视孔瞄准具sight bracket瞄准架sight defilade遮蔽阵地sight distance视线距离sight distance at intersection交叉视距sight hood准星兜sight line velocity视向速度sight mechanism瞄准机构sighting angle瞄准角sighting bar瞄准杆sighting board瞄准板sighting device瞄准器sighting error瞄准误差sighting instrument瞄准装置sighting line瞄准线sighting practice瞄准练习sighting range瞄准距离sighting system瞄准系统sighting target试射靶sighting telescope瞄准镜