n.外推法；归纳；推论
Use data extrapolation to forecast the sales data. 使用数据外推法来预测销售数据。
Also, the extrapolation method is used to obtain the SIF and stress triaxiality around the tip cracks. 应用外推法得到应力强度因子及裂尖周围的应力三维度。
At the macroscopic level, an ideal gas is defined by a process of extrapolation. 从宏观角度看，理想气体的定义是由推论而得来的。
