无论是那种市场方向，在一波趋势过后使用这些百分比可以预测反向趋势的摆动程度。

Apply these percentages after a trend in either direction to predict the extent of the countertrend swing.

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也有杠杆式EFTs，在给定的指数上提供一个反向的收益，使ETFs逆转，即当基准上升时EFTs有下降的趋势（反之亦然），不可避免地，举债经营逆转ETFs。

There are leveraged ETFs which offer a geared return on a given index, inverse ETFs which aim to go down when a benchmark goes up (and vice versa) and, inevitably, leveraged inverse ETFs.

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近年来又瞄准国外挤压技术的发展趋势，积极研发反向挤压机。

In recent years aimed at foreign extrusion technology and the development trend of positive development of reverse extruder.

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