Hobson和Silvestri博士将睡眠机能紊乱描述为大脑的“时序和平衡错误”，使大脑在清醒和睡眠状态间不停变换。
Drs. Hobson and Silvestri describe parasomnias as "errors in timing and balance" in the brain as it transitions between waking and sleeping [source: Hobson].
设计人员通常在时序分析上花大量的时间和精力，因为一个微小的时序问题能导致整个设计的逻辑功能的错误。
Designers have to spend most of time and energy on timing analysis, because a slight mismatch would lead whole failure of entire logic function.
流水线电路具有工作频率高、时序单元数量多的特点，易受软错误影响。
Pipeline circuits that have high working frequency and a large number of sequential elements, are easily affected by soft error.
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