In accordance with the analysis of testing data, the calculation formula of PV type cyclone pressure drop and turning point concentration are obtained.

通过对试验数据的分析，得出了PV型旋风分离器压降和转折点浓度的计算公式。

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It will tell us how the concentration at a given point varies over time in terms of how the concentration varied in space.

它告诉我们，给定点处的浓度随着时间的变化，浓度在空间的分布是怎样的。

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Sharapova's got amazing capacity for concentration and determination and she really wants to win from the first point and doesn't give you any cheap points at all.

莎拉波娃在比赛中具有非凡的决心和毅力，从第一分开始就表现出最后获胜的决心。莎拉波娃决不给对手任何轻易得分的机会。

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This is the exhibition's point of greatest concentration, a fascinating sort of before and after, where the befores are seat-of-the-pants, coarsely done as if in the den or the dark, and the afters are refined appropriation, executed in ateliers of bright light and even brighter technique labels like Yohji Yamamoto, Alexander McQueen, Burberry and Balmain.

WSJ: Loud, Fast and Nasty | Punk: Chaos to Couture | Metropolitan Museum of Art | By Laura Jacobs

The large number and concentration of craters point to an old asteroid.

BBC: Eros is 'no ordinary rock'

The Chinese showed signs of recovery by holding his next two service games, and even found himself with a break point in game eight as Murray's concentration wavered.

BBC: Andy Murray beats Bai Yan in round two in Shanghai