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emergency instruction

技术 紧急指令
航海, 技术 应变程序
 英语 词库
emergency instructions
军队, 后勤 The emergency instructions are determined according to the theater of operations. All air defense and the army aviation very short range air-to-air units must have one or more emergency instructions which can be used if the direct control chain is does not exist or has been disrupted. (FRA)
emergency instruction
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