• The wide-angle sky screen can be used for measuring the terminal velocity of the projectile, and providing synchronous signal for other trajectory measurement apparatus as the trigger device of the .

    装置可以用来测试弹丸作为较大靶面的触发装置,其他弹道测试仪器提供同步信号

    youdao

  • The wide-angle sky screen can be used for measuring the terminal velocity of the projectile, and providing synchronous signal for other trajectory measurement apparatus as the trigger device of the .

    装置可以用来测试弹丸作为较大靶面的触发装置,其他弹道测试仪器提供同步信号

    youdao

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