Battlefield reconnaisance radar is an important information source for fire command system of artillery, and is the most valid technical reconnaissance method. It has wide development prospect.
战场侦察雷达是炮兵射击指挥系统的重要情报前端，是炮兵最有效和最有发展前途的技术侦察手段。
Saab is upgrading the vessels' combat and fire control systems to 9lv Mk4, the fourth generation naval command and control system.
Saab将升级其战斗和火力控制系统到9lv Mk 4，即第四代海军指挥和控制系统。
This offers us a theoretical basis for design of tunnel fire system and establishment of emergency evacuation program and command system.
其方法和结论可为特长隧道消防系统的设计、紧急疏散方案和引导指挥体系的建立提供理论依据。
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