“longitudinal-depth protection”的概念、定义、翻译、参考文献-科学参考

单词	longitudinal-depth protection
释义	longitudinal-depth protection Encyclopedia 历史学博物馆技术防范释 longitudinal-depth protection纵深防护根据保护对象所处的环境条件和安全防范管理要求，对整个防范区域实施由外到里或由里到外层层设防的防护措施。
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