Both the recent two commodity super cycles experienced major pullbacks several years into their bull runs.
最近的两次大宗商品超级周期，都经历过长达几年的价格回落，然后才进入牛市阶段。
Much of this move was not due to ETF selling, but some technical pullbacks after stops were hit triggering further downside.
金价的这次波动并不是因为ETF的大笔抛售，而应该归因于一些技术性因素的阻挠，引发ETF(交易型开放式指数基金)进一步下跌。
Ken Morrison, editor of online newsletter Morrison on the Markets, said historically gold has witnessed pullbacks every time it has made a new high.
Morrison网络新闻编辑Ken Morrison说，从历史上看每次创出新高后，金价总会出现一波回调。
This paper characterizes collective pullbacks and I-pullbacks by means of inverse limit and discusses the relationship between I-pullbacks and pullbacks.
利用逆向极限刻画集体拉回与I-拉回，探讨I-拉回与拉回间的关系；
This paper characterizes collective pullbacks and I-pullbacks by means of inverse limit and discusses the relationship between I-pullbacks and pullbacks.
利用逆向极限刻画集体拉回与I-拉回，探讨I-拉回与拉回间的关系；
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