从势流理论出发，建立了选煤跳汰机机体的二维静态数学模型。
Based on the theory of potential flow, a two-dimensional static mathematical model of the body of a coal washing jig has been constructed.
本文采用最小二乘法回归分析，将湿敏元件的测试数据回归成多项式，获得元件的静态数学模型。
A static mathematical model of humidity sensing element is obtained using least square regression analysis, through regression of measured data into polynomial expression.
建立了陶瓷压砖机上述各动作液压回路的静态数学模型，完成了各回路速度-负载特性、速度特性及速度刚度等静态特性分析；
Built the static mathematical models for the hydraulic circuit mentioned above. Analysis the characteristics of speed-load, speed characteristics and the static stiffness for the circuits.
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