最后以某地区防空作战指挥控制系统为背景，进行了案例研究。

In the end, an air defense combat command and control system of some area is taken as an example.

youdao

最后以某地区防空作战指挥控制系统为背景，进行了案例研究。

In the end, an air defense combat command and control system of some area is taken as an example.

youdao