root sum square

例句：

1. 1.The root-sum-square of the matrix is calculated to find its determinant.
   计算矩阵的根和系数的平方和以找到其行列式。
2. 2.In statistics, the root-sum-square method is used to measure the accuracy of a model.
   在统计学中，使用根和系数的平方和方法来衡量模型的准确性。
3. 3.The researchers found that the root-sum-square method was more effective than other methods in predicting future trends.
   研究人员发现，与其它方法相比，根和系数的平方和方法在预测未来趋势方面更有效。