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rear boundary [rɪə 'baundərɪ]
技术	límite posterior
英语 词库
rear boundary [rɪə 'baundərɪ]
军队, 后勤	Defines the rear of a sector or zone of action assigned to a particular unit. The area behind a rear boundary belongs to the next higher commander and positioning of elements behind it must be coordinated with that commander. (FRA)