The Film Copy Deliverer Problem is the extension of the Traveling Salesman Problem and the Multiple Traveling Salesman Problem, and it is significance in theory and practice.

影片递送问题是旅行商问题和多路旅行商问题的扩展，具有重要的理论和实际意义。

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The copy principle of DNA is studied by using fractal and fractal dimension theory and hydrogen-bond melting temperature in BDNA copolymers calculated.

利用分形和分维理论研究DNA的复制机理并计算BDNA共聚物中氢键的解链温度。

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For the particularity of rail tank car heating system, we can not completely copy the theory and structure design of thermal exchanger of chemical industry.

由于铁路罐车加热系统的特殊性，不能完全照搬化工换热器方面的理论和结构设计。

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Over the long Memorial Day weekend, I rediscovered my copy of The Dow Theory, by Richard Rhea, from 1932.

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He approached Mr. Corbett, then the state's attorney general, with his theory that the New York copy was in fact Pennsylvania's.

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And a friend gave me a copy of a story by Leonard Michaels that's in theory written - narrated from the point of a view of a adolescent boy but actually is full of adult consciousness.

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