“添加趋势线”是Ｅｘｃｅｌ进行数据拟合的一个有力工具 ,它使用方便 ,操作简单 ,过程生动直观 其“线性、对数、多项式、乘幂、指数、移动平均”六种拟合模型可供择优选用 ,为我们整理、分析各种数据 ,建立合理的拟合模型 ,并作出科学的预测创造了有利的条件 1　线性拟合当 “Adding trend lines” is a powerful tool for Excel data fitting. It is easy to use, simple to operate, and vivid and intuitive. Six types of fitting models: “Linear, logarithm, polynomial, exponentiation, exponential, moving average” are available. Select preferred, for us to organize, analyze a variety of data, establish a reasonable fitting model, and make scientific predictions to create favorable conditions 1 linear fitting