Some improving experiments for solving the problems arised in the operational forecasts with the three-level primitive equation model are carried out.
本文针对三层初始方程模式在业务使用中存在的问题，进行了一些改进试验。
This paper analyses and provides the mathematical basis of the forming of differential operational notation and operational notation equation.
分析并提出了微分算子方程形成的数学依据。
In the solving process of homogeneous equation set, the operational procedure for elementary line transformation is sometimes not simple and convenient as it seems to be.
在齐次方程组求解的过程中，初等行变换的运算过程有时显得并不简便。
In the solving process of homogeneous equation set, the operational procedure for elementary line transformation is sometimes not simple and convenient as it seems to be.
在齐次方程组求解的过程中，初等行变换的运算过程有时显得并不简便。
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