关键词 : 氦制冷机 静态数学模型 静态模拟 有效能 [gap=877]Key words: helium refrigerator; static mathematical model; static simulation; exergy
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Based on the theory of potential flow, a two-dimensional static mathematical model of the body of a coal washing jig has been constructed.
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。
A static mathematical model of humidity sensing element is obtained using least square regression analysis, through regression of measured data into polynomial expression.
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。
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