Sum of squares between groups 组间平方和
sum of squares between classes 组间平方和
sum of squares between
之间的平方和
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The paper designs a sum of square function, which is an optimization mathematical model that makes the residual sum of squares of wax deposition rate between the calculated and the measured minimum.
通过设计一个平方和函数，使蜡沉积速率的计算值与实测值的残差平方和为最小的优化数学模型成为一个无约束的非线性规划问题。
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