名词
中文翻译：最小二乘法方程
同义词：
['least-squares equation', 'least-squares regression']
例句：
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1. Theleast squares method is used to estimate the parameters of a model.
最小二乘法用于估计模型的参数。
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2.The least squares method is often used in data analysis to minimize the sum of squared errors.
在数据分析中，最小二乘法常被用来最小化平方误差之和。
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3.The least squares method is widely used in scientific research and engineering design.
最小二乘法在科学研究和工程设计中广泛应用。