If you are required to display a collection of data retrieved from the service layer on this page, there is just no good opportunity in the JSF life cycle to fetch the data.

如果需要在该页面上显示从服务层获得的一组数据，那么在JSF生命周期中始终没有好的机会来取数据。

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Pipelining is a well-known concept employed by CPUs for reducing the latency involved in the fetch-decode-execute cycle.

流水线 是 CPU 所使用的一个众所周知的概念，它用于减少取指令-译码-执行 周期中出现的延迟。

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At per cycle, processor fetch many instruction from many thread to manage operation.

在每个周期，处理机从多个线程取出多条指令调度执行。

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