对空射击 meaning in Chinese

anti-air fire
antiaircraft action
fireworks
vertical fire

In this paper the model of pill flying outer ballistic trajectory is established , and the aerodynamic force calculating method is given . the author set forth the relation of small caliber gun currency firing table and ballistic trajectory consistency , and give testing relation formula of small caliber gun cartridge ballistic trajectory consistency ; at the condition of navy 37 millimeter gun , the design of improved shrapnel currency firing table project is studied ; the data of shooting experimentation is analyzed , and have contrast analysis with theory calculating result . give better improved shrapnel project , and the ballistic trajectory consistency experimentation show that the project satisfy the request of the ballistic trajectory consistency
本文应用了弹丸飞行时的外弹道模型并结合弹丸的气动力计算方法，分析了小口径舰炮通用射表与弹道一致性的关系，并给出了小口径舰炮弹药弹道一致性的检验关系式，研究了在海37舰炮的条件下对改进榴弹通用射表方案的设计，进行了对空射击试验数据的分析，并与理论计算结果进行了对比，给出了相适宜的改进弹方案，并经弹道一致性试验验证该方案满足弹道一致性要求。