We also have a long tradition of voluntary standards and our bilingual system of measurement is part of that tradition.

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The United States is one of the few countries left in the world who still have not converted to using the Metric System as a standardized system of measurement.

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Ascertaining the binary nature of the system also allowed the astronomers to make their accurate measurement of the bigger black hole's mass.

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Part of the reason: After decades of fairly consistent measurement, the ratings system is undergoing an overhaul.

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Headteachers' leader, David Hart, said that adopting a measurement system based on the individual progress of children - and not measuring them against national benchmarks - could be the key to an agreement.

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The study found there was a positive link between good information technology and national test results, of 0.07 under the Spearman Rank Correlation statistical measurement system.

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One, Mars Climate Orbiter, had a particularly humiliating crash, because the fault lay with a group of engineers who, in defiance of common sense, had continued to use imperial units of measurement in their calculations when all around had adopted the metric system.

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