这一过程平均的持续时间长达7年之久。

It's a process that lasts an average of seven years.

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斯摩曼表示，这个验证过程平均算来要花费40-60秒的时间。

On average, the process takes 40 to 60 seconds, Smallman said.

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但报告称将钱从一个国家汇到另一个国家的过程平均需耗费9%的成本。

But it says the process of moving the money from country to country costs about nine percent, on average.

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But the beauty in this calculation is it shows that this concept of electron sharing in an unequal manner is sound and it gets you into the right ballpark.

但在这个计算过程中,真正漂亮的是对电子,非平均共价的考虑很完全,从而指引我们向一个正确的方向思考。

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So, the average velocity may not tell you the whole story.

平均速度可能无法描述整个运动过程

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For example, if you started here and you did all this and you came back here, the average velocity would be zero, because you start and end at the same value of x, you get something; 0 divided by time will still be 0.

例如,如果你从这里开始运动,经过这个过程又回到这里,平均速度就是0,因为初态和末态的位移相同,你得到了什么呢,0除以时间还是0

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