Mean - Shift：无需任何关于集群数量的推理知识的算法，它可以生成任意形状的集群。
Mean-Shift: Algorithm that does not require any a priori knowledge about the number of clusters and can produce arbitrarily shaped clusters.
随着模态逻辑在知识表示及知识推理中的广泛应用，关于模态逻辑的研究越来越引起人们的重视。
With the wide application of knowledge representation and knowledge inference in Fuzzy Modal Logic, more and more people put emphasis on the study of modal logic.
一个机器人关于它的任务和环境常常只有不确定的信息，所以研究不确定性知识表达和推理很具有现实意义。
Because environments usually have uncertainty information, the research of uncertainty knowledge presentation and inference is very provided with practice.
运用对称群知识进行空间推理，产生了关于物体之间的可能关联位置集合的群论结构，得到两个物体能否装配的必要条件，并举例说明其应用。
Making use of the concept of symmetry group, spatial reasoning is implemented and the construction in group theory for sets of possible relative locations among bodies can be developed.
运用对称群知识进行空间推理，产生了关于物体之间的可能关联位置集合的群论结构，得到两个物体能否装配的必要条件，并举例说明其应用。
Making use of the concept of symmetry group, spatial reasoning is implemented and the construction in group theory for sets of possible relative locations among bodies can be developed.
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