The Differences and Relations between the Uncertainty of Measurement and the Error of Measurement

There are not only certain relations but also certain differences between the uncertainty of measurement and the error of measurement.The error of measurement is the basis of the uncertainty of measurement,and the uncertainty of measurement is the product of the continuous development and improvement of the classical error theory.This paper analyzes the differences and relations between the uncertainty of measurement and the error of measurement from their definitions,causes and application methods.