In case of an exception when a milestone is not completed by the deadline, various alerts are generated and sent to the team players concerned with the completion of the milestone.

如果遇到一个里程碑在最后期限到达时仍未完成的异常情况，将生成各种警报并发送到与该里程碑的完成相关的团队成员。

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Periodic exception processing alerts (threshold alerts), which are based on operating system and DB2 performance counters

定期异常处理提醒（阈值提醒），基于操作系统和 DB2 性能计数器。

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This article focuses on alerts and the exception-processing features of the system.

本文主要关注系统的警报和异常处理特性。

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"Those kinds of alerts right now are the exception, not the rule, " Genachowski said in an interview with CNN.com.

CNN: U.S. aims to regulate mobile 'bill shock'