看涨背离发生在价格达到底部，反弹，然后创造新低。

A bullish divergence occurs when prices trace a bottom, rally, and then sink to a new low.

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“好消息是，在经合组织国家的经济活动已经达到底部，”他说。

The good news is that economic activity in the OECD countries is reaching bottom, " he said."

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在1930年年底，在稳步下降，其中一套达到底部的1933年3月。

By late in 1930, a steady decline set in which reached bottom by March 1933.

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