借助牛顿公式和韦达定理，采用迭代的方法求解类似于自然数等幂和的问题。
With the help of Newton formula and Vieta theorem, iterative method was used to solve problems of power sum.
给出了布尔群代数半群中的幂等元、极大子群和正则元的结构以及幂等元和正则元的个数。
The structure of the idempotent elements, regular elements and maximal subgroups and the number of the idempotent elements and regular elements in Boolean group algebra are given.
理论分析和仿真实验表明，GBBV模型保留了BBV模型的许多特征，节点度、节点权重和边权值等都服从幂律分布。
Theoretical analysis and numerical simulations show that the GBBV model retains many properties of the BBV model, such as power-law distributions of node degree, node strength and edge weight.
气测渗透率和微裂缝宽度、微观均质系数、相对分选系数和可动流体体积百分数等都有明显的幂律关系。
The effects of porous microstructure features on porosity and permeability, volume percentage of mobile fluid and pressure sensitivity were also analyzed.
本文研究了幂等阵和对合阵的特性，并计算出有限域上幂等阵和对合阵的个数。
In this paper, author makes a study on the characteristics of idempotent matrix and involution matrix, and computes the number of idempotent matrices and involution matrices over finite field.
研究了一类整系数二阶线性微分方程解的幂和导函数的不动点和超级等问题，得到了一些精确的估计。
By using the factorization of meromorphic functions and the growth estimation of the modual, we obtain precise estimation of the order of growth and hyper-order of solutions of the equations.
研究了一类整系数二阶线性微分方程解的幂和导函数的不动点和超级等问题，得到了一些精确的估计。
By using the factorization of meromorphic functions and the growth estimation of the modual, we obtain precise estimation of the order of growth and hyper-order of solutions of the equations.
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