The relations of the ground state energy with the coefficient of dispersion, strength and magnetic field strength are derived by using linear-combination operator and unitary transformation method.

采用线性组合算符和幺正变换的方法，得出极化子基态能量与色散系数、耦合强度以及磁场强度之间的关系。

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The takeover time coefficient is given, so the influence of different selection operators and transformation of fitness function can be measured quantitatively.

同时，提出了取代时间系数的概念，可以定量地衡量不同的选择算子、适应度函数变换方式的作用。

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This paper presents the concept of knowledge transformation coefficient, learning ability coefficient and knowledge rigidity etc.

本文提出了知识转化系数、学习能力系数和知识刚度等概念，并相应建立了竞争能力的评价模型。

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