Efficiency market is classified into three types, that is, weak efficiency, semistrong efficiency and strong efficiency.

有效市场分为三种类型:弱式有效 、 半强式有效、强式有效.

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Effective market can be divided into weak - form market, semistrong - form market and strong form market.

有效率的市场分为弱 式 有效市场 、 半强 式 有效市场和强式有效市场.

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