optical sight

• 光学瞄准

optical sight的用法和样例：

例句

1. This paper discusses the ptecision analysis, caiculation methods and advantages of telemeter curve widely used in optical sights foranti-tank and anti-armoured weapon systems.
   本文介绍广泛应用于反坦克反装甲直射武器系统的测瞄合一光学瞄准镜卡距曲线测距精度的分析与计算方法及其优越性。