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关注：1
2013-05-23 12:21
求翻译：to ensure that the predictability for high-negative-imbalance, large-negative-return days is not driven by the level of unsigned trading volume.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
to ensure that the predictability for high-negative-imbalance, large-negative-return days is not driven by the level of unsigned trading volume.
问题补充： |
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