Now, yet another Italian manufacturer has begun selling quite an interesting new FFF based 3d printer.

现在，又一个意大利制造商已经开始销售相当有趣的新的基于FFF 3d打印机。

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And after the intraday periodicity factors are filtered through FFF regression, the high frequency absolute return of fund index doesn't have obvious periodicity any longer.

通过FFF方法，将该周期因子进行滤波处理以后，基金指数高频绝对收益不再具有明显周期性。

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The paper proposes application of Wavelet Neural Network in high-frequency time series calendar effects' study. At last, the paper proves that WNN is better than classical FFF regression.

提出了用小波神经网络（WNN）来定量研究高频金融时间序列“日历效应”，通过比较发现WNN 是比弹性傅立叶形式（FFF）回归技术更具优势的方法。

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The boycott of training led to FFF's managing director Jean-Louis Valentin quitting his post.

BBC: World Cup 2010: France stars 'may boycott match'

According to a senior FFF official, the squad's training boycott was prompted by several players.

BBC: World Cup 2010: France stars 'may boycott match'

And the French Football Federation (FFF) has no intention of proposing a replay, BBC Sport has learned.

BBC: Fifa turns down Irish replay plea