Methods: To set up mathematical model.
方法:建立数学模型。
The substructure method was introduced to set up mathematical model of finite periodic composite structure, to solve its wave equation, and to derive its time-average power flows.
采用子结构法,建立了有限周期复合结构的数学模型,求出了数学模型的波动解,并推导出模型的时间平均功率流。
Seeing from the causes of scale economics, there exist some problems in commercial banks in China, thus a mathematical model of moderate scale in commercial banks is set up.
从银行规模经济形成的原因及其影响因素看,我国商业银行目前存在一些问题。 为此,建立了银行适度规模的数理模型。
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