Cyclical unemployment is the deviation of unemployment from its natural rate.

周期性失业：失业率对自然失业率的背离。

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At present heat rate calculate of the double back pressure turbine is according to single back pressure turbine, which brings deviation of heat rate calculate.

目前双背压汽轮机是按单背压汽轮机来进行热耗率计算的，由此带来热耗率计算的偏差。

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Experiment results shows the rate of recovery is 100%, the standard deviation is 2.04, the relative standard deviation is 2.04%.

应用该法测定腐肥中的硼测定回收率为100%，标准偏差为2.04，相对标准偏差为2.04%。

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The 20% rate thus is defined as a deviation, an "expenditure" in the amount of up to 19.6%.

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