The author has already developed a practicable method to calculate the best-fit line, but it involves much calculation requiring a digital computer and an associated computer program.

作者曾提出过一种求最佳直线的实用方法，但计算量较大，一般要求使用计算机和一套专用程序。

youdao

Starting with the relation degree, this paper has presented a method for selecting a grey model, which could best fit the oil and gas field.

本文从关联度的概念出发，提出了一种灰色模型的选取方法，经过实例验证，证明行之有效，从而克服了选取预测模型的盲目性。

youdao

Linear regression analysis (the least squares method) is one technique for estimation a line of best fit.

线形回归分析(最小二乘法)是一向估算最优拟和线的技术。

youdao