目前在多机器人领域，对组织、团队和群体概念比较混乱，团队形成的研究大都停留在定性分析阶段。

At present, there are some conception confusions about organization, team and group, and also team formation is still in qualitative analysis phase in multi-robot field.

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第四阶段，生产关系概念形成，并第一次使用了“生产关系”这一术语。

Only in the fourth stage comes the concept to have appeared, and only then Marx began to use it seriously.

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但到目前为止，核心竞争力理论仍处于“丛林”阶段，核心竞争力理论没有形成一个学术界公认的概念。

But until now, the theory of core competence is still in a "jungle" stage and has not yet come to an accepted concept in academia.

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