不过，SPE 缺少一般处理器中的大部分通用特性。
The SPEs, however, lack most of the general-purpose features that you normally expect in a processor.
一般地，数据在事件中向上流向数据处理器，或者通过刷新向下流向事件生成器。
In general, data flows up, in events, toward the data processor, or down, via refresh, toward the event generator.
如今，一般的汽车都有一百多个微处理器以及自身的操作系统。
The average automobile now has more than one hundred micro-processors and its own operating system.
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