Extraordinarily high response times, or spikes (as shown in Figure 1), can be a concern if they occur frequently.

如果频繁发生的话，那么极高的响应时间，或者异常(如图1所示)可以成为人们的关注点。

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For example, high blood pressure during sleep or spikes during exercise could indicate risks that don't show up in a routine measurement in the doctors' office.

比如，睡眠期间血压升高或者运动期间血压陡增可能预示着危险，这在医生诊室的常规测量中是不会出现的。

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However, the number of servers can also be increased to accommodate short-term spikes in traffic or decreased during periodic lulls.

但是，服务器的数量也可以增加以应对短期流量剧增，或在一定的间歇期间减少。

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He offered one bit of caution, however, commenting that gold historically has sometimes behaved unusually around holidays with big drops or spikes, sometimes without provocation.

FORBES: Gold Market Buoyed By Bernanke's Jackson Hole Remarks; QE Hopes Remain

It would be a huge relief if those 9 billion could be fed without large disruptions of supplies or price spikes.

ECONOMIST: A prospect of plenty

You can call for back-up or request a roadblock or tire spikes.

CNN: Newest 'Need for Speed' fills the need