ballistic ordinate

例句：

1. 1.The ballistic ordinate of the projectile is calculated based on its initial velocity and trajectory.
   根据弹丸的初速度和轨迹计算弹道坐标。
2. 2. In ballistics, the ballistic ordinate is used to determine the trajectory of a projectile.
   在弹道学中，弹道坐标用于确定弹丸的轨迹。
3. 3.The ballistic ordinate can be used to predict the impact point of an object at a certain distance.
   弹道坐标可以用来预测物体在一定距离处的冲击点。