Thus, a digit in any position other than the units position has a weight (value) depending on its positioning the number.

这样，在任意位置上(除了个位之外)的数字所具有的权(值)取决于此数字在该数中的位置。

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The second asteroid belt lies at about 20 astronomical units from the star, or a position comparable to Uranus in our solar system.

第二个行星带距离它的恒星为20个天文单位，这相当于太阳系中天王星的位置。

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Because it takes three units where there's only four choices at each position to have at least 20 unique combinations.

因为每个位点上仅有四种可能性,只有采用三个碱基一组,才能取得至少二十种不同的组合方式

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But getting the units into position has proved nearly as vexing.

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He said he believed the retail sector in York was in a strong position and units in the Castle Piccadilly scheme would let quickly.

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To improve competitiveness, 3m plans reduce its businesses to five from six, one of several large manufacturer hoping to better its position through streamlining its units.

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