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英语 词库
protective security
军队, 后勤	The organized system of defensive measures instituted and maintained at all levels of command with the aim of achieving and maintaining security. 2. In operations, the measures necessary to deny information to the enemy and to ensure that a force retains its freedom of action and is warned or protected against an unexpected encounter with the enemy or an attack. (FRA)

Protective : 32 短语, 6 学科

照明（电影院除外）	1
电力线路	1
电子产品	5
电机	19
电缆和电缆生产	1
隔离	5