It is necessary to measure laser orientation in some applications such as laser reconnaissance and alarm.
在激光侦察告警等应用领域需要精确测定入射激光的方向。
Traditional method to assess risk for optical imaging reconnaissance satellite is satellite-on-air forecast, and it is simple to operate but has false alarm.
传统评估光学成像侦察卫星的威胁一般是采用卫星临空预报方式，这种方式虽然操作简单，但是必然存在一些虚警现象。
Traditional method to assess risk for optical imaging reconnaissance satellite is satellite-on-air forecast, and it is simple to operate but has false alarm.
传统评估光学成像侦察卫星的威胁一般是采用卫星临空预报方式，这种方式虽然操作简单，但是必然存在一些虚警现象。
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