建立基于关系型数据库的农产品安全背景数据库可为安全农产品生产提供重要的辅助依据。
Establishing background database of main agricultural product safety which based on relational database can provide the essential information and support of crop safety production.
《民用航空安全保卫条例》修订草案规定，国内所有民航从业人员都必须接受安全背景调查。
According to the draft of the revised Regulation on Safety and security of civil aviation, all of the country's civil aviation personnel must undergo background security investigations.
在研究如何使用RFIDIC的安全特性之前，本文先回顾rfid数据管理的一些背景信息。
Before examining how to use the security features of RFIDIC, this article reviews some background information on RFID data management.
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