容忍：用户感觉到响应滞后，响应时间大于T，但能继续这个过程，如3～12秒。
Tolerating : The user notices performance lagging within responses greater than T but continues the process - say, between 3 and 12 seconds.
最新预测比上次预测高出了20%，原因是2010年全球石油需求增长超预期，而供应响应滞后。
That's 20% above its previous forecast, thanks to stronger-than-expected global petroleum growth in 2010 and a less than enthusiastic supply response.
应用累积求和统计控制法(CUSUM)，解决了RLS算法在检测跃变路面时响应滞后的问题。
By applying CUSUM method, the problem of response lag of RLS algorithm in detecting abrupt change of road surface is resolved.
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