采集过程采用异步定时器，能有效防止数据丢失。

Acquiring data with asynchronism timer can avoid dropping data.

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在省 电模式下，异步定时器继续运行，允许用户保持一个时间基准，而其余功能模块处于休眠 状态；

In Power-save mode, the asynchronous timer continues to run, allowing the user to maintain a timer base while the rest of the device is sleeping.

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然而EJB在为消息传输定义端点、远程与异步方法调用、定时器等领域还是有一席之地的。

However, EJB will still have a place in defining endpoints for message delivery, remote and asynchronous method invocation, timers, etc.

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