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general signal instruction
军队, 后勤	instruction générale pour les transmissions
英语 词库
general signal instruction
军队, 后勤	Technical document which specifies, completes, and updates the signal emission and operating rules. Elaborated at a high level and for a long period, it is disseminated, as a whole or in parts, on a need-to-know basis. The general signal instruction is one of the general orders. (FRA)