A rotation transformation method is to be used in changing an ordinary linear programming (LP)problem into an equivalent easily-solved continuous knapsack one after a finite iteration.

本文运用旋转变换法，经有限次变换后，将普通线性规划（LP）问题，化为一个等价的易于求解的连续背包问题。

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The HEWC problem was formulated as an integer linear program, and an approximation solution was obtained by using LP-relation and rounding heuristic.

HEWC问题第一次被归结为一个整数线性规划问题，并且利用LP的放松问题和有界启发得到一个近似解。

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Concerning the problem of application, the author suggests to use the simple LP antenna in the techniques of CATV, and a practical design for the receiving antenna covering all VHF TV channels.

建议把结构简单的对数周期天线，用于CAT V技术，并给出VHF全频道电视接收天线的实例。

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