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对核子仪率定的三种方法及其精确度进行对比分析，说明回归直线方程法可以涵盖固定系数法和修正值法，具有一般性，而且精确度高于其余两法，并能知道错判率。在黄河堤防工程建设中，也证明采用回归直线方程法对核子仪进行率定是可行的。
The three methods of nuclear instrument calibration and its accuracy are compared and analyzed, which shows that regression linear equation method can cover fixed coefficient method and modified value method, has the generality, and the precision is higher than the other two methods and can know the wrong judgment rate. In the embankment construction of the Yellow River, it is also proved feasible to calibrate the nuclear instrument by the regression linear equation method.