子纹
子纹-
147对孪生子皮纹学分析
Analysis on the Dermatoglyphics in 147 Pairs of Twins
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进而运用回归分析数学方法和DPS（DataProcessingsystem）统计分析软件的回归子系统建立短纹杆&栅格凹板脱粒分离系统的脱分率数学模型及滚筒功耗数学模型。
Furthermore , by means of regression analysis , the mathematical models of threshing and separating system & axial-flow-short-rasp-bar drum with grid concave , including threshing and separating rate and power consumption , are established with software named DPS used for data processing .