武器垂直冷发射方式中，需要将武器弹射出发射筒，本程序涉及弹射内弹道、武器运动规律、装药设计等。(In the vertical cold firing mode of the weapon, it is necessary to catapult the weapon into the launching barrel. The program involves the interior ballistics of ejection, the law of motion of the weapo

计算内弹道，固体火箭发动机装药内弹道计算(Calculating interior trajectory, solid rocket motor charge interior trajectory calculation)