引入了互补余因式对、正规双图和可行撕裂点集的概念。

The concepts of complementary cofactor pairs, normal double-graphs and feasible torn vertex sets are introduced.

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在电影《星球大战》中，虚构的天体塔图因(Tatooine)绕双恒星运行，因此科学家以它来命名此次发现的这颗行星。

They are calling the new planet Tatooine after the fictional body in the "Star Wars" films that boasts a double sunset.

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下图是波音的概念图，它也使用了V形的双尾部，与洛克西德的飞机一样，它也把引擎安置在机翼上部。

The Boeing concept, below, also USES a V-shaped twinned tail section, and like the Lockheed jet, it also places the engines on top of the wings.

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