file (or cert8.db file if NSS 3.6+ is used) and a key3.db

这会在当前子目录中创建 “cert7.db” 文件（如果使用 NSS 3.6+，就是 cert8.db 文件）和 key3.db 文件（还可能有 secmod.db 文件）。

youdao

The agent consists of a FS (File System) agent, which guards FS, and a DB (Database Backup) agent, which guards DB.

代理由FS(文件系统)代理(保护fs)和一个DB代理(保护数据库备份)组成。

youdao

As previously mentioned, there are many other sources that have OLE DB drivers with most vendors providing OLE DB drivers for their respective data sources.

如前所述，由于大多数供应商都为他们各自的数据源提供了OLE DB驱动程序，因此还有很多其他的拥有ole DB驱动程序的数据源。

youdao

For ETFs, he recommends PowerShares DB Agriculture Fund (DBA) and PowerShares DB Base Metals Fund (DBB).

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Several Internet search results show DB brochures, reports and other information indicating DB actively sells CDSs and other derivative contracts.

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