求翻译：此外，股指波动中货币的信号作用不是能够单纯由长期或短期协整关系来判别的，还需要专门从信号甄别的角度加以深入分析。是什么意思？

In addition, the stock index fluctuations in currency signal can be simplified by the long-term or short-term cointegration relationship to discrimination, but also require specialized to analyze in depth from the point of view of the signal screening.

In addition, fluctuations in the currency effect is not to be able to simple signal by the long-term or short-term association between the distinguished, but also the need for a special screening angle from the signal to be analyzed in depth.

In addition, the stock refers to in the undulation the currency signal function is not can purely cooperates by long-term or the short-term, but also needs specially from the signal screening angle which the entire relations distinguished to penetrate the analysis.

In addition, the stock index fluctuation signal in the currency role is not solely by Cointegration relationships to identify long-term or short-term, also needs to be in-depth analysis from signal screening point.

正在翻译，请等待...