Verifiable statistics about recidivism are impossible to come by, in part because the growing Iraqi prison system has no central database.

我们不可能获得关于犯罪行为的切实数据，部分原因是不断增长的伊拉克监狱系统却没有中心数据库。

youdao

The inventory system needs to be composed of a series of calls to existing backend databases, such as a local store database and a central warehouse database.

库存系统需要包含一系列对现有后端数据库(如本地商店数据库和中央仓库数据库)的调用。

youdao

Host: (1) Main central processing unit in a multi-computer system. (2) holder of an online database.

主机：(1)多电脑系统中的主要中央处理机。(2)连线数据库的控制部。

youdao

The system has no central database like Napster's.

FORBES: A Rebel Without A Copyright

The system stores incoming texts, e-mails and voice calls in a central database and spits out messages or alerts to the same variety of devices.

FORBES: Low-Tech Prophet