A new formula of contact ratio factor is proposed.

提出了一种新的重合度系数公式。

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n It takes discrete values, multiples of some integer n, and the multiplication factor is the ratio of the Planck constant divided by 2 pi where n takes one, two, three and so on.

这些离散的值乘以整数，乘积因子,是普朗克常数除以2π,其中n可以取1，2，3，等等。

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On the other hand, if employment was the only factor controlling the ratio of tax revenue to GDP, then I would be very surprised.

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Another contributing factor to this crunch is the ratio of seed stage funding and Series A investments.

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However, the gold:oil ratio today shows that it is not yet a major factor for prices.

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