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Теплотехнические измерения и приборы

310702

Преображенский Виктор Павлович

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0,3 kg

Germany
 balta
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Measurement is the process of experimentally obtaining a numerical relationship between a measured quantity and some of its value taken as a unit of comparison.

A number expressing the ratio of a measured quantity to a unit of measurement is called the numerical value of the measured quantity; it can be integer or fractional, but is an abstract number. The value of a quantity accepted as a unit of measurement is called the size of this unit.

If x is the quantity being measured, u is the unit of measurement, A is the numerical value of the measured quantity in the accepted unit, then the result of measuring the quantity x can be represented as follows equality...

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Publisher Энергия
Publication date 1978
Number of Pages 704
Bookbinding Твёрдый

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