1. Applications of the linear approximation. 线性逼近法的应用。
2. Let's try out the best approximation then: a plane. 让我们来试试比较好的近似方法：一个平面。
3. The method can availably solve the problems of bad training approximation and generalization. 该方法能有效地解决训练精度和泛化能力差的问题。
英英解释
n.
1. an approximate calculation of quantity or degree or worth
2. the quality of coming near to identity (especially close in quantity)
3. an imprecise or incomplete account
4. the act of bringing near or bringing together especially the cut edges of tissue
