All kinds of influencing each other, interaction while asking and answering, embody trends structure of the question and answer activity.
各类问与答之间相互影响、相互作用，体现出问答活动的动态结构。
All kinds of influencing each other, interaction while asking and answering, embody trends structure of the question and answer activity.
各类问与答之间相互影响、相互作用，体现出问答活动的动态结构。
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