It is capable of logging database events such as authorization checking, database object maintenance, security maintenance, system administration, and user validation.

它可以对一些数据库事件，例如授权检查、数据库对象维护、安全性维护、系统管理和用户验证等做日志记录。

youdao

It is important to stay current on operating system, httpd, php, and DB2 maintenance, particularly as related to security issues.

时时关注操作系统、httpd、php 和 DB2 维护，尤其是事关安全的方面，这一点很重要。

youdao

The museum is installed with advanced security and fire alarm systems, multimedia educational facilities, a computerized resources library and building maintenance automation system.

上海博物馆采用了先进的消防安保、电化教育、文物图书资料电脑管理和楼宇自动化管理等系统。

youdao

We let the guys at Amazon worry about the security, maintenance and operating system upgrades.

FORBES: Amazon's EC2...Almost As Promising As Cliff Lee

The company will continue to deliver free security fixes for the operating system beyond this cutoff date, however maintenance updates will require the purchase of extended support from Microsoft.

ENGADGET: Microsoft extends free Windows Server 2008 support through January 15th, 2015