名词
中文翻译：最小二乘拟合同义词
同义词：
['least-squares fit', 'least-squares regression', 'least-squares fitting']
例句：
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1. The least squares fit of the model is very close to the actual data.
该模型的最小二乘拟合非常接近实际数据。
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2. The least squares fit of this equation is very accurate.
这个方程的最小二乘拟合非常准确。
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3. The least squares fit was used to estimate the population parameters.
使用最小二乘法拟合来估计总体参数。