图的染色理论是图论的一个重要分支。
图的染色理论是图论中的一个重要分支。
The coloring theory of graphs is one important branch of graph theory.
介绍了分散染料对涤纶纤维的染色理论、新老染色方法，为实际生产提供了依据。
The theory of the dyeing of polyester fibre when using dispersed dyes and the new and old dyeing methods are described for reference in practical production.
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