This paper presents a mathematical model which involves only four parameters to simulate the water movement and balance of surface and groundwater in a basin or an irrigation area.
本文提出一个仅含四个参数的数学模型来模拟一个流域或泄区的地面水和地下水的运动及水量平衡情势。
For the actual shells, the modified geometrical highlight model with four parameters should be used whether it is coated or not with silent tiles.
对于实际壳体，无论敷瓦还是未敷瓦都应采用修正的四参数几何亮点模型计算目标强度。
T he relation of the four parameters with initial slab thickness, initial slab width, width reduction and edger roll diameter was obtained and a new mathematical model was accomplished as well.
得出表征立轧时轧件断面特征的四个参量与侧压量、立辊直径、板坯来料厚度及宽度间的关系，并建立了新的数学模型。
Through simulation computation for these four mobile satellite channels, the validity of the simulation model and corresponding parameters put through in the paper has been verified.
本文对这四种卫星移动信道进行了仿真运算，并将仿真数值与实测数据进行比较，从而验证了这些信道模型及其相关参数的有效性。
Using this model and the seismic source parameters obtained by source mechanism studies, the authors computed the theoretical distributions of earthquake intensity for four typical earthquakes.
用此模型和震源机制工作给出的震源参数，计算了四个典型地震的理论烈度分布。
And then using mass center formula to calculate four parameters of translation axes and rotation coordinate, mathematic model is established.
然后采用重心公式计算出坐标平移旋转的4个参数，建立了坐标平移旋转的数学模型。
Four typical discriminative training criterions and some updating methods of acoustic model parameters are introduced, then, they are defined in a unified framework.
再经过对各种区分性训练准则的目标函数和参数更新算法进行推导和比较，将它们统一地纳入到一套训练框架体系之中。
Four typical discriminative training criterions and some updating methods of acoustic model parameters are introduced, then, they are defined in a unified framework.
再经过对各种区分性训练准则的目标函数和参数更新算法进行推导和比较，将它们统一地纳入到一套训练框架体系之中。
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