利用实际的弹头重量以及射击的三发平均枪口初速来计算威力系数。
Power factor is calculated using the actual bullet weight and the average velocity of the three rounds fired.
它是一种二级、重量15吨固体燃料推进火箭可以改为携带一枚重量半吨的侵彻、高爆弹头，连同专用制导系统一起(一套雷达和图像识别系统)。
It's a two stage, 15 ton, solid fuel rocket that could instead carry a half ton penetrating, high-explosive warhead, along with the special guidance system (a radar and image recognition system).
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