翻译个题目

On Exponential Smoothing

The research of exponential smoothness

Smoothing Method About Index 指数平滑法

关于指数平滑法的研究：
The research on Smoothing Method About Index
或者About the Smoothing Method About Index 都可以

^_^

Research of Exponential Smooth Method既然是题目，除了
介词，其它都得用大写开头

the study about seasonal exponential weight moving average