In riser design of steel casting, modulus method is the most widely used method, and the cubic equation method is a most close method in modulus method.
在铸钢件冒口设计中，模数法是一个广泛应用的计算方法，三次方程解析法是模数法中较为严密的计算方法。
Based on the component analysis, a new calculation method for the volume factor of formation crude oil was proposed by cubic equation of state.
在组分分析的基础上，采用立方型状态方程建立了计算原油体积系数的新方法。
Furthermore, a Cubic Curve-fitting equation deduces and set up. In the end, through a group of actual data, the effect of this new method is validated.
建立了三次拟合曲线方程，通过实际数据的检验，验证了该方法的拟合效果。
NS equation was adopted as the model of tunnels ventilation, and this model was solved by Cubic Interpolated Pseudo-particle Method.
用NS方程作为隧道通风的数学模型，采用三次插值伪质点法求解ns方程。
NS equation was adopted as the model of tunnels ventilation, and this model was solved by Cubic Interpolated Pseudo-particle Method.
用NS方程作为隧道通风的数学模型，采用三次插值伪质点法求解ns方程。
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