... boundary of a polyhedron 多面体的边界 boundary of a set 集的边界 boundary of manifold 流形的边界 ...
双语例句
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Data mining is an important problem in KDD, and Rough set as a theory ofset with fuzzy boundary is widely applied to infer classification rules from decision system.
Introducing the boundary conditions of the beam, aset of linear complementary equations is established of the beam on a rigid foundation in terms of foundation reactions and deflections.