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1·Finally it concludes that factors influencing group work are various, among which mix-ability grouping method and required information exchange task meet more approval.

得出的结论是：影响分组活动的因素是多方面的，其中以赞成能力交叉分组方法和信息轮流交换型任务的居多。

2·Many members form the benefit community in view of similar benefit and goal to raise the ability of negotiating, which demonstrates the grouping inclination in the trade negotiation.

许多成员基于相似的利益和目标结成利益共同体以提高谈判能力，表现出贸易谈判中的集团化倾向。

3·Perceptual grouping refers to the human visual ability to extract significant image relations from lower-level primitive image features without any knowledge of the image content.

感知归类是指人们在不拥有任何图像内容知识的前提下，从底层原始图像特征中提取有效的图像联系的一种视觉能力。