大小二乘《 陈义孝佛学常见辞汇 》,大乘和小乘。大乘是菩萨的法门,以救世利他为宗旨;小乘是声闻缘觉的法门,以修身自利为宗旨。若从经藏里的经本分之,四阿含等罗汉系经典为小乘,般若法华华严等菩萨系经典为大乘。
结果表明,当样本大小大于50时,回归系数的最小二乘估计具有较高的估计精度;
Our research shows that when sample size is greater than 50, the least square estimate of regression coefficiencies has high estimate precision.
截面最小二乘圆心在绝对坐标系内的位置是影响圆柱度形状误差大小的重要因素。
The position of the least square center for a cross section in the absolute coordinate system is an important factor that affects cylindrical form errors.
结果表明,增加最小二乘拟合项次和合理选择数字图像相关计算子区域和步长大小可以提高应力强度因子计算精度。
The results show that increasing the number of least squares fitting terms and reasonable selection of digital image correlation subset size improve the accuracy of calculated stress intensity factor.
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