防空兵群兵力分配，运用动态规划方法建立数学模型。

The air defense troops assignments uses dynamic programming method to establish the numeric model.

判断目标的主攻方向，是防空兵作战指挥中的重要环节。

Judging target main attack direction is an important link in air defence artillery campaign command.

船载防空兵在船队航渡过程中，其防空能力的强弱与否，对整个船队的安全起着不可忽视的作用。

During the course of fleet's navigation, the shipped air defence forces 'capability will play important role to the safety of the whole fleet.