The repeatability and accuracy of the analytical method were studied. The effect of different sample introducing amounts and correction factor on flat peak of acetonitrile were discussed.

研究了分析方法的重复性和准确性，讨论了不同进样量和不同的校正因子对扁平乙腈峰的影响。

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Gloucestershire Highways said the "very slow and flat peak" of the river would mean the situation with closed roads would continue for a few more days.

BBC: A flooded garden by the River Severn in Gloucester

Again, it would be better to have flat monthly charges based on peak speeds of always-on service plus packet charges for traffic actually carried.

CNN: OPINION: The push is on to deploy high-speed, always-on residential Internet access

With gross domestic product still 3% below its peak, growth flat over the past year and the economy having under-performed even the euro zone over the past five years despite the benefits of a substantial devaluation and a massive program of quantitative easing, many believe that BOE obstinacy has held back the recovery.

WSJ: Some of the Carney Gloss Is Coming Off