事实上，主动计时器的一个后果是，可能会终止服务请求并让事务失败，而在其他情况下提供更多的时间就可能会完成这些事务。
In fact, one consequence of the aggressive timer is that it might abort a service request and fail a transaction that otherwise would have completed given more time.
它们的主动/被动配置提供了完全冗余，可以支持一台服务器出现故障的情况。
Their active/passive configuration provides full redundancy should one server fail.
使用针对主动式标签的设备接口提供实时的位置跟踪服务。
Delivery of real-time location tracking services with device interface for active tags.
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