approximationn.接近；近似；近似值approximation for small angle小摆角近似Approximation of class unions类合集近似approximation to distribution近似分布approximation of first degree一次近似approximation by least squares最小二乘方近似法Approximation degree algorithm近似度算法approximation-type algorithm近似型算法approximation by power formula幂公式近似法approximation of linear system线性系统逼近approximation model management近似模型管理

1. This class, taught by the guest speaker, is devoted to the study of the approximation error, and some of its general properties.
   这堂课将由授课的特别来宾讲解近似误差原理及其一般特性。