波动区间收缩背景：许多技术派已经注意到大幅价格运动往往出现在价格平静的横盘整理之后。
Range contraction setup: Many technicians have observed that big moves often emerge from quiet sideways markets.
波动区间收缩背景：许多技术派已经注意到大幅价格运动往往出现在价格平静的横盘整理之后。
Range contraction setup: Many technicians have observed that big moves often emerge from quiet sideways markets.
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