black-and white graph

常见例句

双语例句

• The black and white salesman problem(BWTSP) is a new NP-hard problem, which can be divided into the undirected BWTSP and the directed BWTSP according to the symmetry of edges in graph.
  黑白旅行商问题（BWTSP）是近年来出现的新NP-难解问题，根据图中边是否对称可以分为无向BWTSP和有向BWTSP两种。
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