瞄准具是一种能赋予射击武器或投掷武器准确的瞄准角，使平均弹道通过目标的装置。
n. vane
misc. optical sights ; sighting device
最后，展望了瞄准具的发展前景。
根据检测方法，设计了一套光电头盔瞄准具检测系统。
According to the detection method, it has designed a set of detection systems of photoelectric helmet sighting device.
分析了用于头盔瞄准具的电磁敏感系统的系统误差，提出了一种校正方法。
System errors for the electromagnetic sensing system of helmet - mounted sighting units is analysed and the method of correction is presented .
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